8. Four factories are engaged in the production of four types of toys. The following table lists the toys that can be produced by each factory.

Factory 1

2 3

4 Toy productions mix 1,2,3 2,3 1,4 3,4 All toys require approximately the same per-unit labor and material.The daily capacities of the four factories are 250,180,300, and 100 toys, respectively. The daily demands for the four toys are 200, 150, 350, and 100 units, respectively. Determine the factories'

production schedules that will most satisfy the demands for the four toys.