Please help with this question.

A firm manufactures a commodity at two different factories, Factory )1 and Factory '1". The total cost [in dollars} of manufacturing depends on the quantities, a: and y produced at each factory, respectively, and is expressed by the joint cost function: L313, y} = 132 + my + 31:2 + 1200 A] If the company's objective is to produce soo units per month wi'lile minimng the total monthly cost of production, I'iDW many units should be produced at each factory? [Round your answer to wi'lole units, i.e. no decimal places} To minimize costs, the company should produce: B} For this combination of units, their minimal costs will be :1 dollars. [Do not enter any commas in your answer.}