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 8 months are as follows: Tanning Month Appointments Total Cost January 800 $1,758 February 2,100 $2,160 March 3,100 $2,770 April 2,500 $2.300 May 1,400 $1,700 June 2,300 $2,275 July 2,110 $2,300 August 3,000 $2.620 Month Appointments Total Cost January 800 $1.758 February 2.100 $2,160 March 3,100 $2.770 April 2,500 $2,300 May 1.400 $1,700 June 2,300 $2,275 July 2,110 $2,300 August 3,000 $2,620