Ramort Company reports the following for its single product. Ramort produced and sold 21,200 units this year. QS 19-12 (Algo) Variable costing and overproduction LO C1 Ramort doubles its production from 21,200 to 42,400 units while sales remain at the current 21,200 unit level. (a) Compute contribution margin when production is 42,400 units under variable costing. (b) What is the change in contribution margin by increasing production from 21,200 units to 42,400 units under variable costing? Complete this question by entering your answers in the tabs below. Compute contribution margin when production is 42,400 units under variable costing