Security Technology Incorporated $($STI$)$ is a manufacturer of an electronic control system used in the manufacture of certain specialduty auto transmissions used primarly for police and miltary applications. The part sells for $$46$ per unit and STI had sales of $24,850$ units in the current year, $2021.$ STI had no inventory on hand at the beginning of $2021$ and is projecting sales of $28,550$ units in $2022.$ STI is planning the same peoduction level for $2022$ as in $2021,26700$ units. The variable manufacturing costs for STI are $$17,$ and the variable selling costs are only $$0\mathrm{.}80$ per unit. The fiwed manufacturing costs are $$160,200$ per year, and the floed seiling costs are $$670$ per year.

Required:

Prepare an income statement for each yoar using full costing.

Prepare an income statement for each year using wariable costing.

Prepare a reconciliation of the difference each year in the operating income resulting from the full and variable costing methods.

Complete this question by entering your answers in the tabs below.

Prepare an income statement for each year using full costing. $($Round your final answers to nearest whole dollar amount.$)$