At a hotel, the following activities are performed for every guest when they request to check out at the front desk. Activity 1: The staff member at the front desk inquires about quality of products and services, and then collect the room key from the guest. This takes 1.5 minutes. Activity 2: Another staff member will go to the guest's room to quickly check if there is any damages in the room and if the guest has forgotten anything in the room. This takes 1.0 minutes. The two activities can be performed in parallel. The checkout process is complete for a guest after both staff members sign off on the request. The flowchart show below demonstrates the process. . Activity 1: Inquires about quality of service, and collect room key Activity 2: Check the room The manager observes that on a typical week day afternoon, during each hour there are 5 guests requesting to check out on average. What is the utilization of the staff member in charge of activity 2? Note: 1. Your answer should be a percentage. However, do not include the % mark. 2. Round to 2 decimal place if your final answer is not a whole number (keep 4 decimal places for intermediate answers). For example, if your result is 12.162%, enter 12.16