6. My agent has 114d. per pound on- money received for me, and 31d. per pound on money paid for me; how much is due to him for receiving 8341. 16s 8d. and paying 3821. 11s. 9d.? Anf. 451 11s. 7id.

BROKERAGE.

BRokerage is a premium or allowance paid to a person, called a broker, for affifting merchants, or factors, in buying or difpofing of goods, or any other property.

6d.

1. What is the brokerage of 3871. 105. 9d. at 6s.

2. I demand the brokerage of 3941. 125. 8d. at 26. 10 d. per cent. ?

1

Anf. 118. 344.

3. A broker fold goods to the amount of 6541. 118. 8d.; what may he charge for brokerage, at 116. 7d. per cent.?

4. If I allow a broker brokerage come to on 13851.

Anf. 31. 158 91d.

per cent.; what will his 10s. 74d. ?

Anf. 11. 178. 6d.

5. Required the brokerage on 7151. 10s. 6d. at 198.

Iid. per cent. ?

Anf. 71. 2s. 7id.

6. Find

6. Find the brokerage of 350l. per pound.

16s. 8d. at 84d. Anf. 121. 15s. 9 d.

7. If a broker buys goods to the amount of 5081. 175. 10d.; what is his demand at 1 per cent.? Anf. 61. 19s. Iid.

INSURANCE.

INfurance is the premium that is given upon an agreement with certain perfons or offices, who undertake to pay a fpecified fum, upon the damage or lofs of a ship, a houfe, or any article of merchandife, by ftorm, fire, &c. or upon the death of one or more perfons named in the agreement.

E X A M P LE S.

1. What is the insurance of 12711. 178. 84d. at 38% 4d. per cent. ?

2. I demand the infurance of 4951. 10s. 3d. at 1 per cent.?

Anf. 81. 9s. 104, d.

3. Required the infurance of 38741. 108. 8d. at 2s. 9d, per cent.?

Anf. 51. 68. 6d.

4. If I pay 3 guineas per cent.; how much must I pay for infuring 87641. 118. 8d.?

Anf. 2761. 18. 84d.

5. What is the insurance of 1360l. 118. 8d. at 188. 74d. per cent.? Anf. 12h 138. old.

BUYING and SELLING of STOCKS.

STOCK is the name by which the money due from government to the public, and the capitals of trading companies, are distinguished. Buying and felling fums or fhares of thefe is now become an article of trade.

RU L E.

If the fum given is under par, that is, under 100 per cent. multiply it by the price, and divide by 100 for the anfwer; and if the fum is above par, multiply it by the excefs above 100, divide the product by 100, and add the quotient to the given fum for the answer.

EXAMPLE S.

1. Required the purchase of 1250l. 10s. 6d. India

2. What is the purchase of 5751. ros. 8d. three per cent. annuities, at 884 per cent?

3. Bought 8351. 11s. 4d. per cent.

per cent. and paid bargain caft me in all?

Anf. 5071. 188. 123d.

bank annuities, at 91 brokerage; what did the Anf. 7671. 138. 64d.

4. Value 81851. 11s. 8d. South Sea flock, at 1114 per cent Anf. 91441. 98. 31d.

5. Sold 31751. 158. 7d. three per cent. confolidated bank annuities, at 944 per cent.; how much money will be due to me if I allow my broker 31. 189. 84d. for his trouble? Anf. 29941. 188. 1d.

6. Bought 131ol. 6s. 8d. India ftock, at 1045 per cent. how much did it coft me? Anf. 1370l. os. 6d.

COM

COMPOUND

INTEREST.

Compound intereft is the premium that is paid for the ufe both of the fum lent, and also of its intereft, as it becomes due, at the end of each stated time of payment.

R U L E.

Find the amount of the given fum, for the time fixed for the first payment, by fimple intereft. Call this amount the principal for the fecond payment, whose amount calculate as before. Proceed in this manner till you have calculated for all the payments given, and the difference between the first sum and the last amount, will be the compound interest required.

N O T E.

ift. This rule holds good whether the payments be made yearly, half-yearly, quarterly, monthly, or any other aliquot part of a year. But when the payments are yearly, or half-yearly, &c. and the intereft is required for the odd parts of a year, or half-year, &c. decimals, or rather logarithms, muft be used to make a true calculation.

2d. When the payments are yearly or half-yearly, &c. and the intereft is required for odd months and days befides years, &c. the common way is to find the intereft for one payment more than the number given, and to take the odd parts from that payment, then to add them to the fum before found, for the anfwer. This method will ferve where particular exactnefs, is not required.

RE M A R K.

It is not lawful to lend money at compound interest, but in purchafing of annuities, penfions, leafes, or

eftates