Question for Angkor Meas Guest House - Mondulkiri

This is writting in seoul,korea.
We have plan to visit in mulkiri 13 on to 19 on june. (6 nights / 9 persons)

Can we make a reservation for 4 twins(or double) rooms and 1 single room from 13 to 19 on june (6 nights)?
How much is the total room charge?
and let us know the information of your services to offer for your guests especially regardings the rooms.

We would like to receive your answers as soon as possible early.