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66

On soap in boxes,

10 per cent. On chocolate 66

10 On shot in casks,

3 Tare on all other goods paying a specific duty is allowed according to the statement of the same in the invoice, which is considered the actual weight of the box, bag, cask, &c. The importer may have the invoice tare allowed, if he make his election at the time of making his entry, with the consent of the Collector and Naval officer.

Leakage allowed on all merchandize in casks on the guage, paying duty by the gallon, is 2 per cent.

Breakage, 10 per cent is allowed on all beer, ale, and porter in bottles, and 5 per cent, on all other liquors, or the importer may have the duties computed on the actual quantity at the time of entry. Common size bottles are estimated at the Customhouse to contain 23 gals. pr. doz.

Duties on foreign goods, are either ad valorem or specific.

Ad valorem duty is a certain per cent of the actual cost of the goods in the country from which they are brought.

Specific duty is fixed at a certain sum per ton, hundred weight, pound, square yard, &c.

Tare, draft, 8c. are to be made, before the duties are computed.

1. Calculate the duty on an invoice of dry goods, which cost in Liverpool $9,840 at 10 per ct. ad valorem?

Ans. $984.00. 2. Calculate the duty on 3 pipes of wine, allowance for leakage as in the table; duty 7 cents per gallon?

Ans. $27 78. 3. Calculate the duty on 10 gross of London porter, allowance for breakage as in the table; duty 20 cts. per gallon?

Ans. $57.60. 4. Calculate the duty on an invoice of silk goods, which cost in Canton $6,400 at 10 per cent ad valorem?

Ans. $640.

5. Calculate the duty on 4 casks of Rochelle salts, invoiced at $10 per cwt. gross weight as follows: 1st cask, 1 cwt. 2 qrs. 12 lbs.; 2d, 1 cwt. 1 qr. 17 lbs.; 3d, 2 cwt. 3

qrs. 7 lbs ; 4th, 4 cwt 1 qr., draft as in table; tare 8 per cent, duty 15 per cent ad valorem? Ans. $14.09.

TARE AND TRET. Tret is an allowance made on some particular articles on account of waste.

Tare is an allowance made by the seller to the buyer for the weight of the case, cask, box, bale, &c., in which goods are packed, calculated, at so much per cask, or at so much per cent, according to the nature of the goods.

Neat weight, is that quantity to be settled for, after all allowances have been deducted.

CASE I.

When the Tare so much on a given quantity gross.

RULE.–Subtract the given tare from the given quantity, and the remainder will be the neat weight.

1. What is the neat weight of 1 hhd. of tobacco weighing 5 cwt. 2 qrs. 15 lbs. gross, when the tare is 3 qrs. 7 lb?

Gross,

5 2 15 Tare,

0 3 7

Neat wt. 4 3 8 Answer. 2. What is the neat weight of 8 hhds. of sugar, each weighing 7 cwt. 3 qrs. 20 lbs., tare in the whole 5 cwt. 1 qr. 19 lbs.

Ans. 58 cwt. O qrs. 1 lb.

CASE II.

When the tare is so much per bag, box, hogshead, or other

denomination. RULE.-Multiply the given tare per bag, box, barrel, &c. by the number of bags, boxes, barrels, &c. and subtract the product from the gross, the remainder will be the neat weight.

1. How much is the neat weight of 25 kegs of raisins, each, gross 1 cwt. 2 grs. 15 lbs., tare 19 lbs. per hundred weight.

cwt. qrs. lbs.
1 2 15

5 X 5 = 25.

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Neat weight-cwt. 33 3 21 Answer. 2. What is the neat weight and cost of 10 bhds. of tobacco, each weighing 5 cwt. 1 qr. 13 lbs. gross, and 16 lbs. tare per cwt. at $8.75 per. cwt.?

Ans. neat 46 cwt. cost $402.50.

CASE III.

When the tare is so much on the hundred weight. Rule.—Divide the gross weight by the aliquot parts of a hundred weight, and deduct the amount of the result from the

gross, and the remainder will be the neat weight. Case III. will be found applicable to the last examples.

CASE IV.

When the Tare and Tret are both allowed. RULE.--First find the tare, which deduct from the gross, and the remainder will be the (suttle,' divide the suttle by 26,* the product will be the trett, which subtract from the suttle, the remainder will be the neat weight.

* Four pounds on the 104 lbs. is the usual allowance for tret; the reason we divide by 26 is, that 4 lbs. is 1-26 of 104.

1. There are 17 boxes of sugar, each 1 cwt. 3 qrs. 18 lbs. gross, tare 16 lb. per cwt., trett 4 lbs.

per

104 lbs.; what is the neat weight, and what is the value at $7.60 pr.cwt?

cwt. qrs. lbs.
1. 3 18 x 1

$7.60 grs. lbs. 4 X 4 = 16

26 3 4

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26 3 4 neat. 2. What is the neat weight and value of 12 bags of coffee, each 2 cwt. 1 qr. 10 lbs. gross, tare 18 lbs. per cwt., tret 4 lb. per 104 lbs. at $19.60 per cwt.?

Ans. 22 cwt. 2 qrs. 18 lbs. cost $444.15.

CASE V.

When the tare is rated at so much

per
cent on the

gross. RULE.—Multiply the gross by the tare per cwt. and divide by 100 for the tare, then calculate the amount as before.

1. What is the value of 15'hhds. of loaf sugar gross weight 68 cwt. 3 qrs. 21 lbs., tare 12 per cent. at 14 cts. per pound?

Ans. $951.224. 2. What is the value of 4 hhds. of tobacco, weighing as follows:

cwts. qrs. lbs.
No. 1 6 3 18

2 7 0 10 Tare 12 lb. per 112 lbs. at
3 5 3 26 $3.75 per cent.
4 8 003

Ans. $93.78.

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money

Q. What is the consideration or legal allowance for the use of

called?
A. It is called interest or premium.
Q. What is the sum lent called?
A. The principal.

Q. What is the legal interest or premium of $100 per annum called?

A. The rate per cent.
Q. Why is it called the rate

per

cent? A. Because, for a loan of $100, six dollars is allowed for its use for one year, it being considered the legal per centage in every State in the Union, except New York, in that state, the rate is $7 per annum.

Time. The number of years, months, or days for which interest is to be computed.

Amount.-The principal and interest added together is called the amount.

GENERAL RULES AND THEOREMS FOR CALCULATING

SIMPLE INTEREST IN DOLLARS AND CENTS.

THEOREM I.

This theorem is deduced from the principle, that any sum, at simple interest will double itself in 16 years, 8 months, or 200 months.

Putting P = any given principal, T = = any given time in months we have,

T P ТР 200 : T :: P

Х

which expressed in 2 100 200 words, reads thus:

RULE.—Multiply the given principal by half the given time in months, pointing off two figures on the right hand for decimals.

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