Find the interest rate for each deposit and compound amount. $6000 accumulating to $8414.58, compounded quarterly for 8 years. Select one: O a. 3.75% O b. 4.75% O c. 4.5% d. 4.25% Clear my choice The value of an investment doubles every month for 10 months-After the tenth month, the investment was worth $1,600,000. What was the investment worth after the third month? Select one: O a $50,000 O b. $1250 c. $12,500 O d. $25,000 e none of these Clear my choice