Martin is working to develop a preliminary cost$-$benefit analysis for a new client$-$server system. He has identified several cost factors and values for the new system, summarized in the follinwing tables:

$\backslash$table$[[$Development Costs$-$Personnel,$],[2$ Systems Analysts,$400$ hours$/$ea @ $$50/$hour$],[4$ Programmer Analysts,$250$ hours$/$ea @ $$35/$hour$],[1$ GUI Designer,$200$ hours$/$ea @ $$40/$hour$],[1$ Telecommunications Specialist,$50$ hours$/$ea @ $$50/$hour$],[1$ System Architect,$100$ hours$/$ea @ $$50/$hour$],[1$ Database Specialist,$15$ hours$/$ea @ $$45/$hour$],[1$ System Librarian,$250$ hours$/$ea @ $$15/$hour$],[$Development Costs$-$Training$],[4$ Oracle training registration,$$3,\frac{500}{?}$ student$],[$Development Costs$-$New Hardware and Software$],[1$ Development server,$$18,700$