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Scrat [10]
2 years ago
7

a sum of 1000 invested at an jntrest rate 12% per year. Find the amounts in the account after 3 years if intrest is compounded a

nnualy, semiannually, quarerterly, monthly, and daily.
Mathematics
1 answer:
Lina20 [59]2 years ago
4 0

Given Information:

Annual interest rate = r = 12%

Principal amount = P = $1000

Number of years = t = 3  

Required Information

Accumulated amount = A = ?

Answer:

Annual compounding = A = $1404.93

Semi-annuall compounding = A = $1418.52

Quarterly compounding = A = $1425.76

Monthly compounding = A = $1432.30

Daily compounding = A = $1433.14

Step-by-step explanation:

The accumulated amounts in terms of compound interest is given by  

A = P(1 + i)^N

Where  P is the initial amount invested and A is the accumulated amount.

For annual compounding:

i = 0.12

N = 3

A = 1000(1 + 0.12)^3 \\\\A =  \$ 1404.93

For semiannually compounding:

i = 0.12/2 = 0.06

N = 2*3 = 6

A = 1000(1 + 0.06)^6 \\\\A =  \$ 1418.52

For quarerterly compounding:

i = 0.12/4 = 0.03

N = 4*3 = 12

A = 1000(1 + 0.03)^12 \\\\A =  \$ 1425.76

For monthly compounding:

i = 0.12/30 = 0.004

N = 30*3 = 90

A = 1000(1 + 0.004)^90 \\\\A =  \$ 1432.30

For daily compounding:

i = 0.12/365 = 0.0003287

N = 365*3 = 1095

A = 1000(1 + 0.0003287)^1095 \\\\A =  \$ 1433.14

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