Boise, Inc., planned and actually manufactured $190,000$ units of its single product in $2020,$ its first year of operation. Variable manufacturing cost was $$18$ per unit produced. Variable

operating $($nonmanufacturing$)$ cost was $$11$ per unit sold. Planned and actual fixed manufacturing costs were $$570,000.$ Planned and actual fixed operating $($nonmanufacturing$)$ costs

totaled $$370,000.$ Boise sold $120,000$ units of product at $$38$ per unit.

Read the requirements.

Requirement $1.$ Boise's $2020$ operating income using absorption costing is $($a$)$ $$350,000,($b$)$ $$140,000,($c$)$ $$510,000,($d$)$ $$720,000,$ or $($e$)$ none of these. Show supporting calculations.

Begin by selecting the labels used in the absorption costing calculation of operating income and enter the supporting amounts. Perform the calculations in this step, but select the

correct operating income in the next step. $($For amounts with a $$0$ balance, make sure to enter $"0"$ in the appropriate cell.$)$

Absorption costing