Describe Operation Research and discuss its applications in various organizations.
A company assembles heavy duty refrigerators and uses two types of compressors A & B. Two compressors of ‘A' brand and one compressor of ‘B' brand are used in each type of refrigerator. These compressors are manufactured on two types of machines M1 & M2 Time for A on M, is 2 hours and on M2 it is 3 hours. For B it is 1.5 hours and 2.5 hours respectively. Total machine hours available for M1 per week are 400 and 475 for M2. Profit contribution by A&B are Rs.1500 and Rs. 1200 respectively formulate LP model of the problem.