Indigo Company sold $9,480 of its specialty shelving to Elkins Office Supply Co. on account. Prepare the entries when (a) Indigo makes the sale. (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 the amount is entered. Do not indent manually.) Account Titles and Explanation Debit Account Titles and Explanation (b) Indigo grants an allowance of $718 when some of the shelving does not meet exact specifications but still could be sold by Elkins. (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.) Credit Debit Credit quired, select "No Entry