Last year, Sharpe Radios had a net operating profit after-taxes (NOPAT) of $7.8 million.Its EBITDA was $15.5 million and net income amounted to $3.8 million. During the year, Sharpe Radios made $5.5 million in net capital expenditures (that is, capital expenditures net of depreciation).Finally, Sharpe Radios' finance staff has concluded that the firm's total after-tax capital costs were $5.9 million and its tax rate was 40 percent.

What is Sharpe Radios' depreciation and amortization expense?

a. $1.5 million

b. $2.1 million

c. $2.5 million

d. $3.3 million

e. $4.0 million