3.18 Cost function, breakeven Data for the most recent three months of operations for the RainBeau Q4 Salon appear here: March April Mav Number of appointments 1,600 1,500 1,900 Hair dresser salaries $14,000 $14,000 $18,000 Manicurist salaries 12,000 12,000 16,000 Supplies Utilitic 900 750 950 GOO 400 400 Rent 1.000 1.000 1,000 Miscellaneous Total costs 3,500 $32,000 3,450 3,580 $31,680 $39,930 REQUIRED: A general cost-of-living salary increase occurred at the beginning of May. A. What is the total cost function for RainBeau Salon? B. If the average fee per appointment is $25, estimate the appointments required in June to break even.