Doctor J. is considering purchasing a new blood analysis machine for $60,000. He estimates that he could charge $80.00 for an office visit to have a patient's blood analyzed, while the variable cost of a blood analysis would be $30.00. If this new blood analysis machine has design and effective capacities of 6,000 and 5,000 blood analyses per year, respectively, and Dr. J. expects to perform 4,500 blood analyses each year, what will be the utilization of this machine?

Select one: a. 90% b. 83% c. 100% d. 75% e. 0%