Security Technology Incarporsted (\$Th) is a manufacturer of an electronic control system used in the menufacture of certsin specielduty suto transmiskions used primsrly far polize and milizy applicetions. The part sel s far $46 per unit and STI had sales of 24,950 units in the currentyear, 2021. STI had no inventory on hand at the beginning of 2021 and is projecting sales of 28,950 unis in 2022 . 10 STl i planning the same production leve for 2022 as in 2021 , 26 , 900 units. The varisb e menutacturing coats far STI are \$19, and the $690 per yes? conta are only $0.30 per unt. The fived manuiscturing costs sre $2 , 5 , 200 per yes, snd the fived selling coats eve Required: 1. Prepse an income statement for each year using full casting. 2. Prepse an income statement for each year using varisble costing. 3. Prepare s reconcitstion of the of fierence esch yesr in the operat'ing income resulting from the full snd vorisble coat ig methodi. Complete this question by entering your answers in the tabs below. \& Requilred 1 Roquired 3