Answer: 2 part a
$48,000 after 4 yrs AND $60,000 after 10 yrs
Explanation:
$40,000 starting salary
add $2,000 year 1 + $2,000 year 2 + $2,000 year 3+ $2,000 year 4 = $48,000
then continue adding $2,000 for every year she stays til you get to 10 years = $60,000