Form 5500ez, plan terminated in dec 2023 dividend rolled over in 2024

One person solo 401k was terminated  and assets were rolled over middle of Dec 2023. At the end of December, a small  dividend was posted. It was rolled over to IRA on Jan 2nd 2024. This was for a business that was closed. 

I understand a final form 5500 ez needs to be filed for 2024 selecting short year plan. Answering questions regarding number of participants and asset totals at the beginning and end of the years, not sure what to select. At the beginning of Jan 2024,  balance that was on the account was only the small dividend that posted on Dec 29th.

Total plan assets -  is the beginning of year total the amount that was first rolled over in Dec 2023 plus dividend? Or is it the dividend from January? I know ending balance is zero. 

Was the participant still an active participant at the beginning of the 2024? Since plan was terminated in 2023, what would be the correct answer? 
When answering Contributions received from employer and participant - are these amounts for the entire time the plan existed? 

Thank you for any feedback. Hoping to get some advice since it’s due today.