$17.$ You are the project manager at an industrial design firm. You expect to spend a total of $5$ on your current project. Your plan calls for six people working on the project eight hours a day, days a week for four weeks. According to the schedule, your team should have just finished the third week of the project. When review what the team has done so far, you find that they have completed $50\%$ of the work, at a cost of $25\mathrm{.}000$ TL$.$ Which of the following BEST describes your project?A$-$Your project is ahead of schedule and under budget B$-$Your project is behind schedule and over budgetC$-$Your project is behind schedule and under budget D$-$Your project is ahead of schedule and over budget