This place finds away to mess up a order even repeated multiple times needs a whole new staff

I've worked hospitality and in the industry. If I have 2 kids in the car and I ordered 2 kids meal and you only give me one I will mention the fact that I'm missing 1. But to have an attitude about it

Cashier was friendly. But after that it's a no. I ordered the croissant chicken sandwich meal this morning. On the board at the drive through it said it was $7.49 plus tax. I get to the window and i'm