A firm reports that in a certain year it had revenues of $4.5 million, costs of $1.2 million, a capital cost allowance (CCA) deduction of $2.8 million, capital expenditures of $2.3 million, and net working capital decreased by $1.5 million. If the firm's marginal corporate tax rate is 30%, what is the firm's free cash flow for that year?

a. 5.3mil

b. -0.65mil

c. 2.35mil

d. 2.15mil

e. 1.75mil