$48.$ You are working with your project team to schedule activities for your construction project. You have scheduled the painting activity to be completed before the carpet installation activity may begin. The relationship between the painting activity and carpet installation activity can be best described as which one of the following.A$.$ LagB. LeadC. Finish$-$to$-$start D$.$ Start$-$to$-$finish$\mathrm{.}49.$ Consider a project that is to begin work on a Monday and a project team that will not work any weekends. The critical path of the project is $17$ days. On what day of the week will the project be completed?A$.$ MondayB. TuesdayC. WednesdayD. Thursday$50.$ Mike, a project manager in your company, is falling behind on the project schedule. He has elected to crash the project. What is crashing?A$.$ Adding lag time between all project activities.B$.$ Adding lead time between all project activities.C$.$ Adding additional project resources to the project work.D$.$ Removing all unneeded project deliverables.