Answer:
$900
Explanation:
Kyle's commission on an extra $5000 in sales was ...
$1575 -1350 = $225
So, his commission on $10000 in sales would be ...
$225 × 2 = $450
Since $450 of Kyle's first month's sales was commission, his base salary was ...
$1350 -450 = $900 . . . . Kyle's fixed monthly salary