There are several pricing packages according to your needs, including:
Daily :
IDR 185.000 (Low season)
IDR 230.000 (High season)
Weekly :
IDR 1.200.000 (Low season)
IDR 1.500.000 (High season)
Monthly :
IDR 2.800.000 (without electricity)
IDR 3.500.000 (with electricity)
All payments made in cash for a while.