Dizzy Amusement Park is open from 8:00 am till midnight every day of the year. Dizzy charges its patrons a daily entrance fee of $30 per person which gives them unlimited access to all of the park's 35 rides. Dizzy employees a certified operator for each of its 35 rides. Each operator is paid $20 per hour The cost of the certified operators would best be described as Multiple Choice O O O mbed cost o fixed cost O C) step-variable cost O ) true variable cost