High-Low Method' Luisa Crimini has been operating a beauty shop in a college town for the past 10 years. Recently, Luisa 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 6 months are as follows: Month Tanning Appointments Total Cost January 700 $1,745 February 2,000 $2,110 March 3,200 $2,770 April 2,600. $2,400 May 1,600 $1,800 June 2,300 $2,275 July 2,140 $2,300 August 3,100 $2,670 Required: 1. Which month represents the high point? The low point? High point March Low point Danuary