need help figuring out may 31st... the one highlighted in red!?!!

The following information is available for the year-ended December 31, 2022 for Carla Vista Landscaping Services: 1. 2. 3. On March 1, paid $7.920 to Alliance Insurance for a one-year insurance policy. On May 31, sold gift certificates for grass-cutting services and collected $4,030. On December 31, Carla Vista determined that $1,620 of these certificates had not yet been redeemed. Paid $9,360 cash on August 1, for six months of rent in advance. On October 1, a commercial service customer paid $18,720 as full payment for a one-year contract to be fulfilled on a monthly basis. On December 1, purchased equipment for $28,080 cash with an estimated useful life of 10 years. 4 5. (a) Your answer is partially correct. Prepare the journal entries to record the initial transaction. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. List all debit entries before credit entries. Record journal entries in the order presented in the problem.) Date Debit Account Titles and Explanation Prepaid Insurance Mar. 1 7920 cash May 31 Cash 4030 Prepaid Services Aug. 1 Prepaid Rent 9360 Cash Oct. 1 e Cash 18720 Deferred Revenue Dec. 1 Equipment 28080 Cash