Mira has saved $25,000 over the years and she has the option of investing it in either of the two investment plans. Investment A offers 12 percent interest compounded monthly, whereas Investment B pays 13 percent interest compounded semiannually. The difference between the future values of the two investments if Mira's investment horizon is seven years is closest to:

A. $3,577.87

B. $3,250.22

C. $1,152.34

D. $4,204.52

E. $2,703.78

Answer is E. Please show how this number is achieved and which formula is used. Thanks!