Consider Mountain Dental's cost equation results obtained in E5-7 using least-squares regression.

Required:
1. Determine Mountain Dental's unit contribution margin and contribution margin ratio if it charges $45 for each cavity filled.
2. Prepare a contribution margin income statement for October assuming Mountain expects to fill 610 cavities during the month.

Transcribed Image Text:

Number of Cavities Filled 0 Month Total Cost January February March April May June July August September $5,600 6,000 4,500 4,100 4,500 3,200 3,500 4,900 5,400 450