Donovan Enterprises us trying to determine the effect of its inventory turnover ratio and DSO on its cash flow cycle. Donovan's sales last year (all on credit) were $185,000, and it earned a profit of 7.5%. It turned over its inventory 8 times during the year, and its DSO was 43. Donovan's COGS was $123,500. The firm had fixed assets totaling 55,000, and the payment deferral period is 35 days.
(a). Calculate Donovan's cash conversion cycle
(b). Calculate Donovan's total asset turnover ratio and ROA, assuming Donovan holds nominal amounts of cash and marketable securities.