Answer:Richard Klein Gross pay for the month=$4,512.50
Step-by-step explanation:
Richard Klein guaranteed minimum salary per month = $2,450.00
Commission for oil changes =3% x $2,500.00 = $75
Commission for tune ups =5% x $4,500.00=$225
Commission for auto part sales =6.25% x $28,200.00 =$1,762.5
Richard Klein Gross pay for the month=guaranteed minimum salary per month + his commissions on oil changes, tune ups and auto part sales
= $2,450.00 $75+ $225+ $1,762.5 = $4,512.50