abdul sells computers for a local computer outlet. He gets paid$400 dollars per month plus a commission of 3.9% on all the computer hardware he sells. Last year he sold 800,000 worth of computer hardware

a) His commission for $800,000 is 3.9%
this equals to = 800,000 X 3.9/100
i-e 8000 X 3.9 = $31200
b) His annual salary = 400 X 12 + 31200 = 36000$