Laura rents a movie for a flat fee of $2.00 plus an additional $0.50 for each night she keeps the movie. Choose the cost function that represents this scenario if x equals the number of nights Laura has the movie.

Ac(x) = 2.00x + 0.50

Bc(x) = 2.00 + 0.50x

Cc(x) = 2.50x

Dc(x) = (2.00 + 0.50)x