The amount of interest for $5000 investment that earns 4% per year such that 1$ is $1.040742 a the end of the year will be as follows: A=P(1+r/100)^n P=principple r=rate n=time Thus Amount at the end of the year will be: A=5000(1+4/100)^1=5200 thus interest earned will be: 5200-5000 =$200