(5-6) A construction foreman has three earth moving machine that Machine can be operated by workers Machine A, B, C and D at costs/hours. (in $) as designed in the matrix shown. 1 2 3 4 Find the least cost allocation of workers to machines 1, 2, 3, and 4. Job A B D 8 6 3 5 6 7 5 10 2 11 7 12 4 10 6 9 5. To which machine would you like to assign Job C? (3 pts.) 6. The minimum total cost after assigning jobs to machines is: (4 pts.)