Dave receives 10% commission on his first
$5,000 in sales and receives 20% commission on
any sales beyond the first $5,000. If Dave sells
$7,000 this month, what will Dave's commission
be for the month?
A. $700
B. $900
C. $1,400
D. $2,100
someone please help!! i would be so thankful! thx to who ever does (hurry please)!