Billing issue

​Hi, our company was billed $4,097.74 back on February 17th, 2023. Our normal monthly charge is usually $250+ dollars, so this came as quite a shock. We have over a dozen locations associated with the account. We first became aware of this billing mistake on 3/3/23 and I called into billing support and opened a ticket. After a couple long phones calls (3+ hours, and 6 different support techs) we still have nothing to show for other than an acknowledgement that the charge is a mistake and a supervisor would help resolve this issue. Our accounting department needs this in writing and/or concrete steps on getting this resolved. We are a long time customer and need this resolved right away. ​