Problem 2: Set Covering problem A car rental company has decided to provide roadside services for 6 zones in a large city. The company wants to determine where (zone) to locate the roadside services. To reduce the company's costs the manager wants to locate a minimum number of roadside services and ensure that at least one service is within 15 minutes of each zone. The times (in minutes) required to drive between zones are: From 20 20 30 20 10 20 20 35 15 20 30 20 20 25 35 20 30 15 0 Formulate an integer/binary pro the company will need to achieve its policy objective. Define the decision variables, objective function, and constraints. Do NOT solve the problem. gramming model that will select the minimum number of roadside services that