I've tried to answer this question but I keep getting the bottom part wrong. I need some guidance on this problem.

a) What percentage improvement is needed in a supply chain strategy for profit to improve to $49,200 ? What is the cost of material with a $49,200 profit? A decrease of 5.5% in supply-chain costs is required to yield a profit of $49,200, for a new cost of supply chain purchases of $ (Enter your response for the percentage decrease to one decimal place and enter your response for the new supply chain cost as a whole number.) b) What percentage improvement is needed in a sales strategy for profit to improve to $49,200 ? What must sales be for profit to improve to $49,200 ? An increase of % in sales is required to yield a profit of $49,200, for a new new level of sales of s (Enter your response for the percentage increase to one decimal place and enter your response for the new sales as a whole number.) Please copy and paste data from text area below. Selected delimiter