This is a multiple choice question.
Ken worked in the business hardwares section of a department store. This
year he set a record high for vacuum sales with 567 vacuums sold. The
previous high was last year , when 540 vacuums were sold . What is the
percent of increase in sales from last year to this year ?
A.20% B. 5% C. 50% D. 105%
I would appreciate the help. Thanks...