Holly Thompson has been operating a beauty shop in a university town for the past 10 years. Recently, Holly rented space next to her shop and opened a tanning salon. She anticipated that the costs for the tanning service would primarily be fixed but found that tanning salon costs increased with the number of appointments. Costs for this service over the past eight months are as follows:

Required:1. Which month represents the high point? The low point?2. Using the high- low method, compute the variable rate for tanning. Compute the fixed cost per month.3.?Using your?answers?to Requirement 2, write the cost formula for tanning?services.4. Calculate the total predicted cost of tanning services for September for 5,000 appointments using the formula found in Requirement 3. Of that total cost, how much is the total predicted fixed cost for September? How much is the total predicted variable cost for September?

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Total Cost ($) Month Tanning Appointments January February 1,400 3,516 4,000 4,280 March 6,200 5,580 4,800 3,600 April May 5,000 3,000 4,600 June 4,550 July August 2,300 4,400 6,000 5,280