10.00 points Diversified Products, Inc., has recently acquired a small publishing company that offers three books for sale -a cookbook, a travel guide, and a handy speller. Each book sells for $10. The publishing company's most recent monthly income statement is given below: Total Handy Cookbook Guide Speller $335,000 $104,000 $164,000 $ 67,000 5 109,000 34,000 63,700 11,300 43,000 14,200 23,000 5,800 20,100 6,240 9,840 4,020 40,000 25,000 9,700 5,300 7,800 2,600 2,600 2,600 33,500 10,400 16,400 6,700 44,100 14,700 14,700 14,700 13,400 4,160 6,560 2,680 5,100 1,700 1,700 1,700 Printing costs Advertising Salaries Sales commissions I sales General administration Total expenses 316,000 113,000 148,200 54,800 Net operating income (loss) $ 19,000 (9,000) 15,800 12,200 a. Only printing costs and sales commissions are variable; all other costs are fixed. The printing costs to the three product lines as shown (which include in the statement above. Sales commissions are 10% of sales for any product. labor, and variable tion cost has been b. The same equipment is used to produce all three books, so the equipment d