Whirly corporation’s contribution format income statement for the most recent month is shown below: total per unit sales (7,800 units) $ 273,000 $ 35.00 variable expenses 140,400 18.00 contribution margin 132,600 $ 17.00 fixed expenses 55,700 net operating income $ 76,900 required: (consider each case independently): 1. what would be the revised net operating income per month if the sales volume increases by 40 units? 2. what would be the revised net operating income per month if the sales volume decreases by 40 units? 3. what would be the revised net operating income per month if the sales volume is 6,800 units?

Owns a machine that can produce two specialized products. production time for product tlx is two units per hour and for product mtv is four units per hour. the machine’s capacity is 2,100 hours per year. both products are sold to a single customer who has agreed to buy all of the company’s output up to a maximum of 3,570 units of product tlx and 1,610 units of product mtv. selling prices and variable costs per unit to produce the products follow. product tlx product mtv selling price per unit $ 11.50 $ 6.90 variable costs per unit 3.45 4.14 determine the company's most profitable sales mix and the contribution margin that results from that sales mix.