oscar earns 12% commission on the first $1,000 and 15% on the rest. if he sells $2,000 worth, whats his…

oscar earns 12% commission on the first $1,000 and 15% on the rest. if he sells $2,000 worth, whats his commission?\na) $1,095\nb) $1,100\nc) $420\nd) $1,200
Answer
Answer:
C. $420
Explanation:
Step1: Calculate first - part commission
$1000\times0.12 = 120$
Step2: Calculate the amount of the rest
$2000 - 1000=1000$
Step3: Calculate second - part commission
$1000\times0.15 = 150$
Step4: Calculate total commission
$120 + 150=420$