Problem $5.-1$ Variable and Full Costing: Salos Constant but Production Fluctuates

Spencer Electronics produces a wireless home lighting device that allows consumers to furn on home lights from their cars and light a safe path into and through their homes. Information on the first three years of business is as follows:

$\backslash$table$[[,2020]]$

Required

a$.$ Calculate profit and the value of ending inventory for each year using full costing

$\backslash$table$[[2020,2021,2022]]$

Fixed production costs

Number of units $q,$

Fived production cost per unit

Variable production costs per unit

Full cost per unit

Sales

Cost of goods sold

Gross margin

Seling and administrative expense

Net income

Number of units

$5\mathrm{.}000$

Cost per unit

Value of ending inventory

c$.$ Calculate profit and the value of ending inventory for each year using variable costing.

$2020,2021,2022$

Sales

Variable cost of goods sold

Contribution margin

Fixed production costs

Foxed selling and admin. expense

Net income

Number of units

$$

Cost per unit

Value of ending inventory $$