6 18. A sales lady dealing in shoes earns a basic salary of sh.30000. In addition, she is paid commission on the sales of shoes as follows; Percentage commission For sales upto Ksh 100,000 0% For sales above Ksh 100,000 i) For first Ksh 50,000 4% ii) For next Ksh 50,000 5% 10% Any amount above Ksh 200,000 On a certain month, she sold 200 pairs of shoes marked at sh.1200 a pair at a discount of 5%. a) Calculate the total sales for the month b) Calculate her carning for that month (2marks) (3marks) c) If the next month her basic salary was increased by 10%. If she carned a total of sh39160, determine; (i) Her sales for the month. (!!) (4marks) The total number of pair of shoes she sold that month (Imark)
