A merchandising company plans to sell 450 units in March. The selling price per unit is $150. The company expects to have 45 units in inventory on March 1 and would like to have 80 units in inventory on March 31.

A).How many units should be purchased during the month?

B).If the purchase price per unit is $80 what would be the total costs of inventory purchase during the month?

[Show calculations in detail to earn full credit].