You have accumulated $6,300 and are looking for the best rate of return that can be earned over the next year. A bank savings account will pay 10%. A one-year bank certificate of deposit will pay 12%, but the minimum investment is $9,300, Required: a. Calculate the amount of return you would earn if the $6,300 were invested for one year at 10% b. Calculate the net amount of return you would earn if $3,000 were borrowed at a cost of 20%, and then $9,300 were invested for one year at 12%. c. Calculate the net rate of return on your investment of $6,300 if you accept the strategy of part b. (Round your answer to 2 decimal places.)