#### Answer

Total salary over a ten-year is $\$418,500$.

#### Work Step by Step

The starting salary $=\$31,500$.
Increment $=\$2300$.
The series is
$=31,500+(31,500+2,300)+(31,500 + 2,300 + 2,300 )...10$ terms
The tenth term is $=31,500+(10-1)2,300=52,200$.
The total salary is $=\frac{10}{2}(31,500+52,200)$
$=5\cdot 83700$
$=\$418,500$.