
EXAMPLE:
A BUSINESSMAN BORROWED P500,000 WITH INTEREST AT THE RATE OF 8% COMPOUNDED SEMI-ANNUALLY. HE AGREES TO DISCHARGE HIS OBLIGATION BY PAYING A SERIES OF 8 EQUAL SEMI-ANNUAL PAYMENTS, THE FIRST BEING DUE AT THE END OF 5/½ YEARS. FIND THE SEMI- ANNUAL PAYMENT.
SOLUTION:
P1 = A[(1+i) – 1]________ (1 + i) n i
P1= A[(1.04)8-1] (1.04) (0.04)
P1 = 6.7327 A P1 =
P(1+i)N 6.7327 A = 500,000 (1.04)10
A = 109,928.74
SIMPLE INTEREST
SIMPLE INTEREST

EXAMPLE:
You deposit some money into a bank account paying 10% simple interest per year. You received P15,000 in interest after 2 years. How much was the deposit?
GIVEN: Is = P15,000
r = 10% = 0.10
t = 2
FIND: P
SOLUTION:
P = ls/(r•t)
= 15,000/(0.10•2)
= 15,000/0.20
P = 75,000
BUSINESS AND CONSUMER LOAN.
A business loan, is money or a line of credit a business or individual gives to another business for its startup or operations. A business needs to pay back the loan, usually in installments.
Consumer loan- means a loan to one or more individuals for household, family, or other personal expenditures. A consumer loan does not include a home mortgage, small business, or small farm loan.
Ms Rosal bought a car. After paying the downpayment, the amount of the loan is P400,000 with an interest rate of 9% compounded monthly. The term of the loan is 3 years. How much is the monthly payment?
Solution.
The regular payment is P12,719.89.