We invest 10 000$ at a 10% annual rate for 20 years. Compare how much we have at the end of the period if (1) annual compounding is used and (2) monthly compounding is used. Select what is correct below. O a. there is no difference between (1) and (2), the sum will be the same O b. when monthly compounding is used we have about 6000 more O c. when monthly compounding is used we have about 300 more O d. when annual compounding is used we have about 9000 more