Vaughn Company offers a set of building blocks to customers who send in 3 UPC codes from Vaughn cereal, along with 40. The block sets cost Vaughn $1.00 each to purchase and 50 each to mail to customers. During 2017, Vaughn sold 1,272,000 boxes of cereal. The company expects 30% of the UPC codes to be sent in. During 2017, 127,200 UPC codes were redeemed. Prepare Vaughn's December 31, 2017, adjusting entry. (If no entry is required, select "No Entry" for the account titles and enter o for the amounts. Credit account titles are automatically indented when amount is entered. Do not indent manually.) Account Titles and Explanation Debit Credit