I don't understand what I am doing wrong with 3 and 4. Please help.

C\&S Marketing (CSM) recently hired a new marketing director, Jeff Otos, for its downtown Minneapolis office. As part of the arrangement, CSM agreed on February 28,2021 , to advance Jeff $75,000 on a one-year, 8 percent note, with interest to be paid at maturity on February 28, 2022. CSM prepares financial statements on June 30 and December 31. Required: Prepare the journal entries that CSM will make: (If no entry is required for a transaction/event, select "No Journal Entry Required" in the first account field. Do not round intermediate calculations. Round your final answers to whole dollar amount.) 1. When the note is established 2. Prepare the journal entries to accrue interest on June 30 and December 31. 3. to record the principal payment at the maturity date