selling, general, and administrative expenses were $56,000; net sales were $254,600; interest expense was $6,000; research and development expenses were $26,600; net cash provided by operating activities was $66,900; income tax expense was $6,400; cost of goods sold was $138,900. required: a. calculate operating income for the period.

Miami incorporated estimates that its retained earnings break point (bpre) is $21 million, and its wacc is 13.40 percent if common equity comes from retained earnings. however, if the company issues new stock to raise new common equity, it estimates that its wacc will rise to 13.88 percent. the company is considering the following investment projects: project size irr a $4 million 14.00% b 5 million 15.10 c 4 million 16.20 d 6 million 14.20 e 1 million 13.42 f 6 million 13.75 what is the firm's optimal capital budget?