3. Trusted Products Company makes a household appliance with model number L800. The goal for 2018 is to reduce direct materials usage per unit. No defective units are currently produced. Manufacturing conversion costs depend on production capacity defined in terms of L800 units that can be produced. The industry market size for appliances increased 2% from 2017 to 2018. The following additional data are available for 2017 and 2018: Units of L800 produced and sold Selling price Direct materials (square feet) Direct material costs per square foot Manufacturing capacity for L800 (units) Total conversion costs Conversion costs per unit of capacity 2017 31,000 $310 98,000 $34 38,750 $1,162,500 $30 2018 31,620 $290 96,500 $36 37,350 $1,120,500 $30 Required: a. Describe briefly the key measures Trusted Products Company should include in its balanced scorecard and the reasons for doing so. b. Calculate Trusted Products Company's operating income in both 2017 and 2018. c. Overall, was Trusted Products's strategy successful in 2018? d. Calculate the growth, price-recovery, and productivity components that explain the change in operating income from 2017 to 2018. Comment on your answers