Currently, a firm has assets of $3,000,000 and total debt of $1,650,000. How must its debt be changed if the firm is to maintain a debt ratio of 35%? Select one: a. Debt must be decreased by $675,000. b. Debt must be increased by $525,000. c. Debt must be decreased by $600,000. d. Debt must be increased by $300,000.