ProductionTwo factories produce three different types of kitchen appliances.

Production

Two factories produce three different types of kitchen appliances. The following table summarizes the production capacities, the numbers of each type of appliance ordered, and the daily operating costs for the factories. How many days should each factory operate to fill the orders at minimum cost?

Number

Factory 1

Factory 2

Ordered

Appliance 1

80/day

20/day

1600

Appliance 2

10/day

10/day

500

Appliance 3

50/day

20/day

1900

Daily cost

$10,000

$20,000