Need steps to calcuation please.

a constraint 1 4. Karen Galactic, a sales representative for a large chemical company, gets paid a sales commission, that is, a percentage of her sales. However, she has decided to spend less time traveling. She is going to spend only 160 hours per month with her customers. To do this, she will have to give up some of her clients. The following information is from her last full month's sales activities. 2 3 Corporate Small Professional Customers(CC) Businesses (SB) Partnerships (PP) Number of customers 10 Average sale per customer $2,000 $1,000 $500 Commission percentage 5% 7% 10% Average time per customer 2 hours 2.5 hours Cost of traveling to site $10 $10 CM /hour (los-lo)/4=224 in3-7>)/2 = 30 (50-10) /20t=16 Required: To maximize her sale commissions, how many customers of CC, SB and PP should be retnine 50 80 4 hours $10