manufacturing costs were $$510,000.$ Planned and actual fixed operating $($nonmanufacturing$)$ costs totaled $$360,000.$ Chicago sold $100,000$ units of product at $$45$ per unit.manufacturing costs were $$510,000.$ Planned and actual fixed operating $($nonmanufacturing$)$ costs totaled $$360,000.$ Chicago sold $100,000$ units of product at $$45$ per unit.

Read the requirements.

B$.$ $$30,000.$

C$.$ $$390,000.$

D$.$ $$600,000.$

E$.$ none of these.

Requirement $2.$ Chicago's $2020$ operating income using variable costing is $($a$)$ $$540,000,($b$)$ $$240,000,($c$)$ $$30,000,($d$)$ $$390,000,$ or $($e$)$ none of these. Show supporting calculations.

the appropriate cell.$)$

Read the requirements.

B$.$ $$30,000.$

C$.$ $$390,000.$

D$.$ $$600,000.$

E$.$ none of these.

Requirement $2.$ Chicago's $2020$ operating income using variable costing is $($a$)$ $$540,000,($b$)$ $$240,000,($c$)$ $$30,000,($d$)$ $$390,000,$ or $($e$)$ none of these. Show supporting calculations.

the appropriate cell.$)$