He dumps waste from construction sites. Sorry, I meant he has three trucks and just bought three new ones totaling 144k

Im adding up all receipts for each category. He brought me ALOT of them 😞

I calculated the standard mileage rate, but this is where I am confused...

On line 9 schedule c Do I ADD the total cost of the trucks and the standard mileage rate with fuel? I think all these receipts have me overwhelmed I can't think right.