$28)$ An elevator, with passengers, has a total mass of $3000$ kg$.$ The elevator ascends at a constant rate of $1\mathrm{.}5$m$/$s$^2.$ What is the net work done by the elevator in displacing $50$m$,$ upward?

a$)3375$j b$)0$ c$)1472$ kj d$)2207$ kj e$)225$ kj