Question 3 (30pts) Simone's, a hair styling salon, has collected the following data regarding costs at various levels of monthly activity. Number of customers per month 500 800 1,000 Costs: Wages Supplies Janitorial Utilities Rent $1,700 $1,050 300 $250 $1,200 $4,500 $2,600 $1,680 $300 $ 280 $1,200 $6,060 $3,200 $2,100 300 $300 $1,200 $7,100 Total Costs Requirements: a. Indicate whether each cost is fixed, variable, or mixed. (5pts)