Additional Algo 5-3 Bottleneck with Multiple Flows

An optometry store offers two different types of eye services, full-service and glasses-only. The full-service require(s) three steps: eye examination, glasses fitting and checkout. The glasses-only only require(s) two steps: glasses fitting and checkout. The eye examination step has a capacity of 3 patients per hour. The glasses fitting step has a capacity of 8 patients per hour. The checkout step has a capacity of 10 patients per hour. The demand for full-service is 6 patients per hour and the demand for glasses-only is 10 patients per hour.

Instruction: Round to the nearest integer percentage.What is the implied utilization of the bottleneck resource?%