A company's invested capital is $13,000,000 and management has determined that the target rate of return on investment is 10%. Last year, the company produced 121,313 units and this year expects to units sales to be 10% above last year. The cost of the product is estimated to be $13 per unit. What is the target operating income per unit? (Round any intermediary calculations to the nearest unit and your final answer to the nearest cent.)

a. $9.74

b. $9.00

c. $8.31

d. $8.99