A Professor Needs Help from Three Student Helpers to Complete

question 45

Multiple Choice

A professor needs help from three student helpers to complete four tasks. The first task is grading; the second is scanning; the third is copying, and the fourth is organizing student portfolios. The estimated time for each student to do each task is given in the matrix below.
$$\begin{array} { r r r r r } & \mathbf { 1 } & \mathbf { 2 } & \mathbf { 3 } & \mathbf { 4 } \\\hline \text { Student A } & 90 & 50 & 40 & 20 \\\mathbf { B } & 120 & 60 & 30 & 50 \\\mathbf { C } & 110 & 60 & 50 & 70 \\\hline\end{array}$$
-How many tasks will be assigned to the students?

• A) 2 tasks
• B) 3 tasks
• C) 4 tasks
• D) none, because the students take too long

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Definitions:

Break-Even

The point at which total costs and total revenue are equal, resulting in no net loss or gain for the business.

Total Dollar Sales

The overall revenue generated from the sale of goods or services, expressed in terms of the total amount of money received.

Operating Leverage

A financial ratio that measures the proportion of fixed costs in a company's cost structure, indicating how a change in sales will affect its operating income.

Net Operating Income

The income produced through a firm's principal commercial activities, not including the subtractions for interest and taxes.