Need help on 3 && 4abc please :)

Pittman Company is a small but growing manufacturer of telecommunications equipment. The company has no sales force of its own; rather, it relies completely on independent sales agents to market its products. These agents are paid a sales commission of 15% for all items sold Barbara Cheney, Pittman's controller, has just prepared the company's budgeted income statement for next year as follows Pittman Company Budgeted Income Statement For the Year Ended December 31 17,500,000 Sales Manufacturing expenses: $7,875,000 Variable Fixed overhead 2,450,000 10,325,000 7,175,000 Gross margin Selling and administrative expenses: Commissions to agents Fixed marketing expenses Fixed administrative expenses 2,625,000 122,500* 1,860,000 Net operating income Fixed interest expenses Income before income taxes Income taxes (30%) Net income 4,607.500 2,567,500 612,500 1,955, 000 586.500 s1,368,500 Primarily depreciation on storage facilities