1. A. C. Tech Manufacturing Appliances manufactures three sizes of kitchen appliances: small, medium, and large. Product information is provided below.

SmallMediumLarge

Unit sellingprice$430$550$1,230

Unit costs:

Variablemanufacturing(200)(320)(700)

Fixedmanufacturing(50)(140)(240)

Fixed selling andadministrative(90)(25)(130)

Unitprofit$90$65$160

Demand inunits170130170

Machine-hours perunit7040170

The maximum machine-hours available are 6,200 per week.

How many of each product should be produced per month in order to maximize contribution margin?

170 Small,170Medium,0Large

0 Small;130Medium;7large

14 Small; 130Medium; 0 Large

170 Small,70Medium, 40 Large