Percent increase is 40%
Step-by-step explanation:
First find the increase in income in 2018;
$280,000 - $ 200,000 = $ 80,000
Percentage increase= increased income/original income * 100%
Increased income= $80,000
Original income= $200,000
%increase= 80,000/200,000 * 100%
=40%
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Keyword : Percent increase, income
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