i need the income statement and the impact on income blanks filled in plz, thank you !

prepare a multiple-step income statement. August 22) Garcia requested a price reduction on the August 19 sale because the merchandise did not meet specifications. Knight's sent Garcia a $500 credit memorandum toward the $4,200 invoice to resolve the issue. August 29) Received Garcia's cash payment for the amount due from the August 19 sale less the price allowance from August 22. August 30) Paid Wison Company the amount due from the August 1 purchase. Total income 5