when both debit and credit amounts have been posted to an account, what determines whether the balance is a debit or a credit?

Tubby toys estimates that its new line of rubber ducks will generate sales of $7.60 million, operating costs of $4.60 million, and a depreciation expense of $1.60 million. if the tax rate is 35%, what is the firm’s operating cash flow? (enter your answer in millions rounded to 2 decimal places.)