Question: Alan Kortmeyer and Carolyn Allen owned a lot in Glenhaven, a mobile home park. They lived there for 13 years and got water, sewer, garbage, and snow removal services. For six years, they paid $60 a month for these services, but then concluded that they were only required to pay a proportionate share of the costs of the services. Glenhaven continued to supply the services and bill them $60 a month; they received the services but paid nothing for them. Glenhaven finally sued. Must Kortmeyer and Allen pay for the services and if so, on what basis?