A museum charges a reduced entrance fee for students in full-time education.

A museum charges a reduced entrance fee for students in full-time education. The budgeted cost per customer is the same regardless of the entrance fee paid.

4,000 customers were budgeted to visit the museum during period 6, with 25% of customers paying the reduced fee.

3,000 customers visited the museum during period 6 and 1,000 of these paid the reduced entrance fee. Costs were as budgeted but the actual full-priced entrance fee was $2 higher than budgeted.

Which of the following statements is true?