Luisa Crimmi has been operating a beauty shop in a college town for the past 10 years. Recently, Luisa rented a 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 the service over the past eight months are as follows; Which month represents the high point? The low point? Using the high-low method compute the variable rate for tanning. Compute the fixed cost per month