A. Pinocchio, Inc. manufactures 2 types of wooden toys: trucks and trains. The price

of a piece of truck is 550, of a piece of train 700. The wood cost for the truck is 50, whereas for the train 70. The truck requires 1 hour of carpentry labor and 1 hour of finishing labor [assembling and painting]. The train requires 2 hours of carpentry labor and 1 hour of finishing labor. Worth of carpentry labor is GHC30 per hour, worth of finishing labor is GHC20 per hour. Each month, Pinocchio has 5000 available hours of carpentry labor and 3000 hours of finishing labor. Demand for trains is unlimited, but at most 2000 trucks are, at an average, bought each month. The Pinocchios management wants to maximize monthly profit (total revenue-total cost).

B. Theheadofthebusinessdepartment,hasdecidedtoapplytheHungarianmethod in assigning lecturers to courses next semester. As a criterion for judging who should teach each course, the head of department reviews the past two years teaching evaluations. All the four lecturers have taught each of the courses at one time or another during the two year period. The ratings are shown in the table below.

Find the best assignment of lecturers to courses to maximize the overall teaching rating.

COURSE

QUANTITATIVE ECONOMICS ACCOUNTING HR METHODS

S. EDUAFO 90 A. ABABIO 70 P. YAMOAH 85

H. FOSUA 55 AMO

65 95 40 60 80 75 40 80 60 80 65 55