Lennox Corp. invested $$2,566\mathrm{.}70$ in a project today that is promising to return $10$ percent per year. This project is expected to produce cash inflows of $$325$ in year $1,$ $$400$ in year $2,$ $$550$ in year $3,$ $X in year $4,$ $$750$ in year $5,$ and $$800$ in year $6.$What is the cash inflow $($$X$)$ at the end of the $4$th year? A$.$ $$610\mathrm{.}17$ B$.$ $$755\mathrm{.}17$ C$.$ $$893\mathrm{.}35$ D$.$ $$1,157$ E$.$ $$1,267$