those are both good prices the shop should be able to help you with mounting , then try it at 25 yards on a big sheet of fresh cardboard with a small target in the middle
you may find yourself a foot off at 25 yards measure in inches how far you are off
say you made a 1 inch square and shoot at that and you were 8 inches low and 5 inches right
25 yards is 1/4 of 100 yards , the adjustment on your scope is for 1/4 inch at 1 hundred yards
so 8 inches times 4 you would be 32 inches off at 100 yards so you need to adjust 32 minutes up generally there are numbers 1-12 on the vortex go all the way around 3 times in the up direction
5 inches X 4 is 20 so go around once and then 8 more minutes in the left direction
it use to be we had to count clicks but most new scopes have numeric markings with 1/4 marks between them
when we had to count clicks you would have taken 8 inches low X 4 = 32 x 4 clicks per minute (or inch at 100 yards) you would have counted 128 clicks there are still 128 clicks but now much easier with the numeric minute markings
by the way a MOA or minute of angle is 1/60th of a degree so there are 360 degrees in a circle and 60 minutes in each degree so 21600 minutes in a circle but about 1 inch at 100 yards technically a MOA is 1.047 inches you can see till your way past what your going to shoot 0.047 doesn't add up to much about a half inch at 1000 yards so close enough.
once you know how to use the math you can get very close in 3 rounds once your just about perfect at 25 yards move to 100 for shooting groups and establishing a zero.
you probably want to be about 2 or 2.5 inches high at 100 yards so you shoot at say a 2 inch diamond target you can print those off form several places online but I like these
http://www.6mmbr.com/targets.html I like the medium range diamonds they work well at 100 and 200 yards for the 7 power scope
if you can get someplace where you can shoot at 200 also and see where your at 200 sometimes I fine tune when I have a group at 200 you likely won't need to move much but fine tuning so you are the best you can be from 25 yards to 225 yards