Hahn Flooring Company uses a perpetual inventory system. Journalize the December 31 adjusting entries based upon the following: a. The inventory account has a balance of $1,338,600, while physical inventory indicates that $1,301,700 of merchandise is on hand. Assume any shrinkage is a normal amount. If an amount box does not require an entry, leave it blank. Dec. 31 - Select - - Select - - Select - - Select - b. Sales returns of $105,230 and merchandise returns of $67,900 are estimated for the current year's sales. If an amount box does not require an entry, leave it blank.