What audio equipment do I inevitability for a church worship troop?

I was put in charge of acquire equipment for my growing churches worship team. We will have a grand piano player, a guitarist, a drummer, a flutist, and 3 or so vocalists. What kind of amplification equipment would I be looking for and in what price breadth
Answers:
You need a P.A. sound system next to monitors, Microphones/Stands, A Direct-Input box.

Yamaha EMX512SC-S115V PA Package
http://www.musiciansfriend.com/product/Y…
On-Stage Stands Mic Stand Package
http://www.musiciansfriend.com/product/O…
Kustom KPC12M 12" Monitor Speaker Cabinet with Horn X4
http://www.musiciansfriend.com/product/K…
Behringer GI100 Ultra-G DI Box
http://www.musiciansfriend.com/product/B…

About $2500
My church has 3 electric quitars, drums, piano, grand piano and sax. I cant remember what the amplifying equipment was called, but it cost in the region of lb200

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