The University Computer Lab Is Having Difficulty Controlling Its Costs

Multiple Choice

The university computer lab is having difficulty controlling its costs.Analysis showed that a key issue is the cost of printer supplies (ink,paper,and machine repair) .Which strategy is likely to reduce costs the most,if typical student use is 200 copies per month?

A) Plan A: requiring students to pay 12 cents per copy
B) Plan B: charging a fee of $20 for the first 100 copies per month,then 10 cents per copy thereafter
C) Plan C: charging a fee of $10 for the first 50 copies per month,then 15 cents per copy thereafter
D) Plan D: adding a flat lab fee of $30 per academic term
E) All of the choices are correct