On May 1, 2020, Whispering 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 $874 in advance on May 15, 2020. Kickapoo pays Whispering on May 15, 2020, and Whispering delivers the mower (with cost of $534) on May 31, 2020. (a) Prepare the journal entry on May 1, 2020, for Whispering. (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 O for the amounts.) Date May 1, 2020 Account Titles and Explanation Debit (b) Prepare the journal entry on May 15, 2020, for Whispering. (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 O for the amounts.) Date May 15, 2020 Account Titles and Explanation Debi (c) Prepare the journal entry on May 31, 2020, for Whispering. (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 O for the amounts.) Date May 31, 2020 Account Titles and Explanation Debi (c) Prepare the journal entry on May 31, 2020, for Whispering (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 O for the amounts.) Date Account Titles and Explanation May 31, 2020 (To record sales) (To record cost of goods sold): Debit Credit