Solve the Inequality $\$ 300$ Plus Commission Of $10 \%$ Of Sales Company B Offers a Weekly Salary Of Offers

Multiple Choice

Solve the inequality.
-A salesperson has two job offers. Company A offers a weekly salary of $\$ 300$ plus commission of $10 \%$ of sales. Company B offers a weekly salary of $\$ 600$ plus commission of $5 \%$ of sales. What is the amount of sales above which Company A's offer is the better of the two?

A) $\$ 6000$
B) $\$ 3000$
C) $\$ 6100$
D) $\$ 12,000$