Shamrock Co. uses the gross method to record sales made on credit. On June 1, 2017, it made sales of $54, 200 with terms 3/15, n/45. On June 12, 2017, Shamrock received full payment for the June 1 sale. Prepare the required journal entries for Shamrock Co. (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 the amount is entered. Do not indent manually.)