Ivanhoe Company offers a set of building blocks to customers who send in 3 UPC. codes from Ivanhoe cereal, along with 60G. The block sets cost Ivanhoe $1.00 each to purchase and 50c each to mail to customers. During 2017, Ivanhoe sold 1,008,000 boxes of cereal. The company expects 30% of the UPC codes to be sent in. During 2017, 100,800 UPC codes were redeemed. Prepare Ivanhoe's December 31, 2017, adjusting entry. (If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts. Credit account titles are automatically indented when amount is entered. Do not indent manually.) Account Titles and Explanation Debit Credit