Self-Employment vehicle expense question

I purchased a new vehicle in January 2020, I only started using it as a Dasher in late May 2021, in the section about the vehicle deductions, it specifically asks "Did you trade in another vehicle to purchase your Mitsubishi Eclipse Cross?"

 

1) Given the year the vehicle was purchased vs. the year I started dashing, would I still need to include this in my 2021 taxes?

 

2) Would I also need to report the total sales price, the Cash price before any down payment or trade in value is calculated into the total amount remaining, or would I use the amount on line 5 (shown on the Motor vehicle retail installment sales contract) which states "Amount financed" (which includes other charges + down payment + any applicable taxes) ?