Novak Company offers a set of building blocks to customers who send in 3 UPC codes from Novak cereal, along with 60. The block sets cost Novak $1.00 each to purchase and 50 each to mail to customers. During 2020, Novak sold 1,356,000 boxes of cereal. The company expects 30% of the UPC codes to be sent in. During 2020, 135,600 UPC codes were redeemed. Prepare Novak's December 31, 2020, 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