A sales position is offered at a pharmaceutical company with two salary options. Option A would pay an annual base salary of $30,000 plus a commission of 7% on sales. Option B would pay an annual base salary of $25,000 plus a commission of 12% on sales. For what amount of sales would the two options yield the same total annual salary?
a) $250,000
b) $200,000
c) $275,000
d) $225,000