Fundamentals of Computer Programming - Old Questions

3. Write a program for the interest charged in installments for following case. A cassette player costs Rs. 2000. A shopkeeper sells it for Rs. 100 down payment and Rs. 100 for 21 more months. What is the monthly interest charged?

6 marks | Asked in 2065

#include<stdio.h>

#include<conio.h>

void main()

{

float c_price, t_price, t_interest, m_interest;         //cost price, total price, total interest, monthly interest

c_price=2000;

t_price=100+(100*21);        //down payment  Rs. 100 and  Rs. 100 for 21 installments

t_interest=(t_price - c_price)/c_price*100;

m_interest=t_interest/22;        //payment is for 22 months

printf("\\nThe  monthly interest  charged  is %f", m_interest);     //result is  0.45% per month

getch();

}