Exact accounting instead of rounding up

Hi there, I have recently started taking on new direct bookings and VRBO bookings and have noticed that the accounting is rounding up and not allowing for exact to the penny. This is a problem for accounting for when numbers are not matching what the guest is paying in VRBO versus what is being listed in my IGMS. This is a must feature and if exact accounting cannot be done, I will have to start looking for a new software