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Given P = 12800, T=2, R = 7 1/2% = 15/2% Semi-annually = 15/4%.
We know that A = P(1+r/100)^n
= 12800(1+(15/4)/100)^2
= 12800(415/400)^2
= 12800 * 415/400 * 415/400
= 13778.
We know that CI = A - P
= 13778 - 12800
= 978.
Hope this helps!
We know that A = P(1+r/100)^n
= 12800(1+(15/4)/100)^2
= 12800(415/400)^2
= 12800 * 415/400 * 415/400
= 13778.
We know that CI = A - P
= 13778 - 12800
= 978.
Hope this helps!
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