Karim is paid a weekly commission of 2% on net sales of $6000.00, 4% on the next $8000.00 and 6.25% on all
further sales. His gross sales for a week were $18 560.52
and sales returns and allowances were $1200.
a) Calculate his gross earnings for the week. $Blank 1
b) If he worked 25 hours during that week, how much was
his average hourly rate? $Blank 2