How does a products contribution margin before a price change affect whether it would be a price

Question:

How does a product’s before a price change affect whether it would be a price increase or a price decrease that would be more likely to increase profits from that product?
Contribution Margin
Contribution margin is an important element of cost volume profit analysis that managers carry out to assess the maximum number of units that are required to be at the breakeven point. Contribution margin is the profit before fixed cost and taxes...