I need typed solution with explanation. Don't use AI BOT otherwise downvote for sure. Explain step by step I will thumb up.

18. Suppose that a company was able to reduce all of the purchase costs by 5% by using new sourcing strategies. Sales $400,000 Purchases Minus Profit $200,000 $100,000 Total Costs Plus ROA $300,000 Other Costs Divided by 10% $100,000 inventory Total Assets $270,000 $1,000,000 (a) [1 PT] Compute the new purchase costs after the purchase costs are reduced by 5%. (b) [1 PT] Compute the new total costs after the purchase costs are reduced by 5%. (c) [1 PT] Compute the new profit after the purchase costs are reduced by 5%. (d) [1 pr] Compute the new value of inventory after the purchase costs are reduced by 59. (e) [1 pr] Compute the new value of total assets after the purchase costs are reduced by 5%. (f) [1 pr] Compute the new return on assets after the purchase costs are reduced by 5%. Write your answer as a percentage rounded to two decimal places