Hello, no problem I can help you.
Total M.O. 162,50 : price for the people who work on the car
Total pièce(s) 523,51 : price for the piece(e) used
Total forfait 15,00 : price for the 'flat rate'
Total peinture 323,40 : full price for the painting
on the second image
Porte ARD : right back door
Feuille isolante Porte ARD : 'insulating sheet' for the right back door
Moullure Porte ARD : 'molding' for the right back door
Agrafes/ERD : stuff for fix (the door I guess)
Some vocabulary are just translating by google translate, if it's not clear enough, ask me and i can explain you more !