1. Mary works for H&R Block, she is paid a commission of 20% on all tax returns she prepares. Her gross sales for the week were $8,500.00. Calculate her gross pay. (Mary worked 48 hours to earn this amount)

Gross Pay= 1700

2. Assume Mary again works 48 hours, but her gross sales for the same week are $3,300.00 calculate her gross pay.