Maintenance Cost at a Hospital Was Observed to Increase as Activity

Multiple Choice

Maintenance cost at a hospital was observed to increase as activity level increased. The following data was gathered: Activity Level - Maintenance Cost Month Patient Days Incurred January 5,600 $7,900 February 7,100 $8,500 March 5,000 $7,400 April 6,500 $8,200 May 7,300 $9,100 June 8,000 $9,800 If the cost of maintenance is expressed in an equation, what is the independent variable for this data?

A) Fixed cost.
B) Variable cost.
C) Total maintenance cost.
D) Patient days.