You work for a company that provides support services in the IT sector. Employee productivity is measured by how quickly a worker handles a service request. You have introduced a new software platform and are providing training to your employees on using it. For each employee you have data on the time it takes to process a service request (Time, measured in seconds), their age (Age, measured in years) and the amount of training they have completed (Training, measured in number of weeks). You believe there may be an interaction between Age and Training therefore fit the following estimated model