Green Company sells its product for $11400 per unit. Variable costs per unit are: manufacturing, $5600; and selling and administrative, $140. Fixed costs are: $31200 manufacturing overhead, and $41200 selling and administrative. There was no beginning inventory at 1/1/18. Production was 24 units per year in 20182020. Sales were 24 units in 2018, 20 units in 2019, and 28 units in 2020. Income under variable costing for 2020 is

$74720.

$80320.

$80880.

$86080.