East Publishing Company is doing an analysis of a proposed new finance text. Using the following data, answer Parts a through e. The company's marginal tax rate is 40 percent. a. Determine the company's breakeven volume for this book. In units ii. In dollar sales The company's marginal tax rate is 40 percent. a. Determine the company's breakeven volume for this book. In units ii. In dollar sales b. Develop a breakeven chart for the text. c. Determine the number of copies East must sell in order to earn an (operating) profit of $21,000 on this text. d. Determine total (operating) profits at the following sales levels: i. 3,000 units (ii) 5,000 units iii. 10,000 units e. Suppose East feels that $30.00 is too high a price to charge for the new finance text. It has examined the competitive market and determined that $24.00 would be a better selling price. What would the breakeven volume be at this new selling price