So there's about 15000 to 18000 votes to count?
Paper ballots. Electronic sounds awesome, but it's a lot of hassle for a small amount of votes.
Say you've got 5 polling stations with 4 people at each one, so 20 people. 350 or so ballots per station, each person has to tally up 100 votes at the end of polling.
You could count the entire lot twice in an hour at 4 ballots a minute per person.
So your 5 voting machines cost, what, $5K each? So $25K all up?
You can pay those 20 people $500 for that one day and spend $10K on wages.
You print 30,000 voting forms (at 5 cents each that's $1500) and getting some nice locked boxes ($2000) and storage of ballots for 12 months ($1000) in case of recount.
Oh look, you've got $10.5K left over. Use that to make a park nice and pretty somewhere.