Exercise 5-2 (Algo) The Effect of Changes in Unit Sales on Net Operating Income [LO5-2] Whirly Corporation's contribution format income statement for the most recent month is shown below: Required: (Consider each case independently): 1. What would be the revised net operating income per month if the sales volume increases by 90 units? 2. What would be the revised net operating income per month if the sales volume decreases by so units? 3. What would be the revised net operating income per month if the sales volume is 7,200 units? Ida Company produces a handcrafted musical instrument called a gamelan that is similar to a xylophone. The gamelans are sold for $840. Selected data for the company's operations last year follow: Required: 1. Assume the compary uses absorption costing. Compute the unit product cost for one gamelan. Note: Round your intermediate calculations and final answer to the nearest whale dollar amount. 2 Assume the company uses variable costrno Compule the unit product cost for one gamelan