How much does it cost to run my electric water pump a month.?

I live in the country in Wisconsin. The house that I rent has another house next to it. Our electric well pump feeds both properties. Two people live in my small two bedroom house, the neighbor house pays the elctriciy for the pump. How much do you think that it costs per month?How much does it cost to run my electric water pump a month.?If your neighbors pay the electricity for the pump, it would be agreeable for you to ask him yourself. Aside from that, prices vary and you can't simply calculate it yourself.