//Exa5(a) clc; clear; close; //given data is : P=4000;//in rupees N=9;// months R=6;// in % per annum //if interest is reckoned quarterly r=R/4;// in % per quarter,as there are 4 quarters in a year n=(N/12)*4;//in quarters Amount1=P*(1+r/100)^n; CI1=Amount1-P; disp(CI1,"Compound interest while reckoned quarterly :") //Ans in the book is not correct