Greetings from Mikey at Just Answer!
I will help you with a break-down of this job. Prices are list price, this is what you expect to pay a professional mechanic.
Napa new water pump TFW 42095 $61.98
Bypass hose NBH 10801 $19.28
1 gal antifreeze $14.00
Total cost for the base job is $335.26
Some things that may add to the base cost if needed. Additional labor could also come into play if any of these items below are needed.
Fan belt $77.00
Belt tensioner $238.00
Top and bottom radiator hoses $96.00
Hose clamps 1.25 each