A company manufactures two products P and Q with unit profit of 4 and 5, respectively. The production requires manpower and two kinds of raw materials R1 and R2. The following table summarizes the requirement and availability of resources.ResourceResource usage per unit of productionAmount ofresource availablePQmanpower1110R11218R22118 The maximum profit the company can make is

A company manufactures two products P and Q with unit profit of 4 and

1.	A company manufactures two products P and Q with unit profit of 4 and 5, respectively. The production requires manpower and two kinds of raw materials R1 and R2. The following table summarizes the requirement and availability of resources.ResourceResource usage per unit of productionAmount ofresource availablePQmanpower1110R11218R22118 The maximum profit the company can make is
A.	45
B.	48
C.	42
D.	54
Answer» C. 42