Sandoval Skateshop Ltd. reports the following inventory transactions for its skateboards for the month of April, The company uses a perpetual inventory system. Record journal entries for the sales transactions on April 9 and April 20 . Both sales were on credit. (Credit account titles are outomatically indented when the amount is entered, Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts. List all debit entries before credit entries.)