Step 1:
Find the sale tax
[tex]\begin{gathered} \text{Sale tax = 5\% of \$17100} \\ =\text{ }\frac{5}{100}\text{ }\times\text{ 17100} \\ =\text{ 5 }\times\text{ 171} \\ =\text{ \$855} \end{gathered}[/tex]Step 2:
Salling price = Cost price + Sale tax
= $17100 + $855
= $17,955