Answer:
≈ 51.5%
Step-by-step explanation:
Percentage gain is calculated as
% gain = [tex]\frac{gain}{cost}[/tex] × 100%
Here the total cost = $8000 + $2300 = $10300
gain = $15600 - $10300 = $5300, thus
% gain = [tex]\frac{5300}{10300}[/tex] × 100% ≈ 51.5%
