Paul
=$30,000 + ($2800 * 10 years)
=$30,000 + $28,000
=$58,000 total made in 10 years
Sharla
=$36,000 + ($2000 * 10 years)
=$36,000 + $20,000
=$56,000 total made in 10 years
Difference
=$58,000 - $56,000
=$2,000 difference
ANSWER: Paul made $2,000 more.
Hope this helps! :)