A shop has four machinists to be assigned to four machines. The hourly cost of having each machine operated by each machinist is as follows: MachinistMachine (cost/hr)
A B C D
1 $12 $11 $8 $14
2 $10 $9 $10 $8
3 $14 $8 $7 $11
4 $6 $8 $10 $9

However, because he does not have enough experience, machinist 3 cannot operate machine B.

Required:
a. Determine the optimal assignment and compute total minimum cost.
b. Formulate this problem as a general linear programming model.

Cash flow is often a problem for small businesses. how can an entrepreneur increase cash flow? a) locate lower-priced suppliers. b) forego sending in estimated tax payments to the irs c) shorten the terms on a bank loan to pay it off more quickly d) sell more low-margin items.

Camilo is a self-employed roofer. he reported a profit of $30,000 on his schedule c. he had other taxable income of $5,000. he paid $3,000 for hospitalization insurance. his self-employment tax was $4,656. he paid his former wife $4,000 in court-ordered alimony and $4,000 in child support. what is the amount camilo can deduct in arriving at adjusted gross income (agi)?

Which one of the following statements is true? ddt does not prevent disease from passing from agricultural animals to humans. cost was a major factor in the united states government's decision to ban ddt. many african governments concluded that the potential long-term health effects of ddt were not as serious as the immediate problem of insect control. ddt cannot accumulate in the fat of animals. the ddt ban in the united states has made it very difficult to control agricultural insect pests.