Kawere Engineers is considering assignment of engineers to different projects to minimize the difference covered by the engineers to the project as follows.

	P1	P2	P3	P4	P5
E1	50	40	47	48	49
E2	60	70	80	90	100
E3	30	50	60	70	80
E4	20	40	50	60	70
E5	15	17	20	25	28

Required;

a) Optimal assignment plan to minimize distance covered. [7 Marks]

b) What is the minimum distance covered based on the optimal assignment? [ 8 Marks]