a) What percentage improvement is needed in a supply chain strategy for profit to improve to $40,800 ? What is the cost of material with a $40,600 profit? A decrease of X in supply-chain costs is required to yield a profit of $40,800, for a new cost of supply chain purchases of $ (Enter your response for the percantage docrase to one decinal 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 proft to improve to $40,800 ? What must sales be for profit to improve to $40,800 ? An increase of K in sales is required to yield a profit of $40,800, for a new new lovel of sales of $ (Enter your mesponse tor the percentage ineresse fo one dicinal place and enter your response for the new sales as a wholo number