The expression 1.04(0.9x)+50 represents the total cost of a catered meal at a conference. The organizers of the conference were given a reduction in the cost of the catered meal due to the size of the event. Sales tax was charged on the reduction price The organizers were also charged a set-up fee. The variable x represents the price of catered meal before the reduction.

Which statements are true?

Select each correct answer.

The set-up fee was $50.

The organizers were given a 10% discount on the catered meal.

The sales tax rate was 10%.

The cost of the catered meal was less than the set-up fee.