Direct answer: Monthly bottled water delivery cost depends on bottle quantity, delivery frequency, cooler rent, deposits, route fees, minimums and office consumption.
Normalize quotes to the same number and size of bottles, dispenser requirement and delivery schedule. Separate refundable deposits from true operating cost.
Build a bottled-only worksheet
List bottle price, expected quantity, cooler rent, deposits, delivery fees, empty pickup, minimums and extra-delivery charges.
Account for changing use
Ask how volume is adjusted and what happens during holidays or attendance changes. Compare bottled delivery service with monthly price factors.
