4) Problem 3-3 on page 91 of the textbook - on the income statement of Patterson Brothers. Patterson Brothers recently reported an EBITDA of $7.5 million and net income of $2.1 million. It had $2.0 million of interest expense, and its corporate tax rate was 30%. What was its charge for depreciation and amortization? 5) Nerd Book Corp. had sales of $2,500,000 and cost-of-goods-sold of $1,710,000 this year. Selling and administrative expenses represented 10% of sales. The firm had total assets of $4,680,000 on which it generated annual depreciation of 6%. Nerd's tax rate is 21%. What is Nerd's operating income (EBIT) and net operating profits (NOPAT)