Galatian Book Shop uses a perpetual inventory system. Galatian Book Shop's accounts at June 30, 2023, included the followng unadiusted balances. (Click the icon to view the unadjusted account balances) The cost calculated from the physical court of inventory on hand on June 30, 2023, was $13,400. a. Journalize the adiustiment for inventory shrinkage. b. Compute the gross margin c. Compute the gross margn percentage. If the industry standard is 45 percent, how is it doing? Galatian Book Shop uses a perpetual inventory system. Galatian Book Shop's accounts at June 30, 2023, included the followng unadiusted balances. (Click the icon to view the unadjusted account balances) The cost calculated from the physical court of inventory on hand on June 30, 2023, was $13,400. a. Journalize the adiustiment for inventory shrinkage. b. Compute the gross margin c. Compute the gross margn percentage. If the industry standard is 45 percent, how is it doing