please help with all parts

Current Amp Progress On May 1, 2020, Vaughn Inc. entered into a contract to deliver one of its specialty mowers to kickapoo Landscaping Co. The contract requires Kickapoo to pay the contract price of $990 in advance on May 15, 2020. Kickapoo pays Vaughn on May 15, 2020. and Vaughn delivers the mower (with cost of $674) on May 31, 2020 (a) Prepare the journal entry on May 1, 2020, for Vaughn (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No entry" for the account titles and enter for the amounts.) Date Account Titles and Explanation Debit Credit May 1, 2020 (b) Prepard the journal entry on May 15, 2020, for Vaughn, (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No entry" for the account titles and enter for the amounts.) Date Account Titles and Explanation Debit Credit May 15, 2020 (c) Prepare the journal entry on May 31, 2020, for Vaughn (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No entry for the account titles and enter for the amounts.) (c) Prepare the journal entry on May 31, 2020, for Vaughn. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No entry"for the account titles and enter for the amounts.) Date Credit Debit Account Titles and Explanation May 31, 2020 To record sales) To record cost of goods sold) e Textbook and Media List of Accounts Save for later Attempts: 0 of 3 used Submit Anwwer