Williams Products Inc, manufactures and sells a number of items, including school knapsacks. The company has been experiencing losses on the knapsacks for some time, as shown by the contribution format income statement below: WILLIAMS PRODUCTS INC. Income Statement-School Knapsacks For the Quarter Ended June 30 Sales $285,800 Variable expenses: Variable manufacturing expenses $79,800 Sales commissions 31,350 Shipping 8,550 Total variable expenses 119,700 Contribution margin 165,300 Fixed expenses: Salary of product-line manager 11,000 General factory overhead 56,800 Depreciation of equipment (no resale value) 21,500 Advertising-traceable 53,600 Insurance on inventories 4,700 Purchasing department 33, 160 Total fixed expenses 180,760 Operating loss $(15,460) *Allocated on the basis of machine-hours. Allocated on the basis of sales dollars. Discontinuing the knapsacks would not affect sales of other product lines and would have no noticeable effect on the company's total general factory overhead or total purchasing department expenses. Required: a. Compute the increase or decrease of net operating income if the Williams Products Inc line is continued or discontinued. (Input all amounts as positive except Decreases in Sales, Decreases in Contribution Margin, and Net Losses which should be indicated by a minus sign.) Keep School Drop School Knapsack Knapsack Difference: Operating Income Increase or (Decrease) Sales Variable expenses: Variable manufacturing expenses Sales commissions Shipping Total variable expenses Contribution margin Fixed expenses Salary of product-line manager General factory overhead Depreciation of equipment Advertising-traceable Insurance on inventorios Purchasing department Total fixed expenses Operating loss b. Would you recommend that the Williams Products Inc line be discontinued? Yes No