10% commission means that Steve earns 10% of his sales. If he sells $5,680 worth of appliances this week, then he earns 10% of it, which is computed as follows:
[tex]5,680\cdot\frac{10}{100}=568\text{ \$}[/tex]Given that he has a base of $1,500, then he will earn $1,500 + $568 = $2068