XML 40 R18.htm IDEA: XBRL DOCUMENT v3.19.3
ASSET RETIREMENT OBLIGATIONS (Tables)
6 Months Ended
Sep. 30, 2019
ASSET RETIREMENT OBLIGATIONS (Tables)  
Schedule of assumptions of determining the fair value of ARO

 

Inflation Rate

 

3

%

Estimated asset life

 

20 years

 

Credit adjusted risk free interest rate

 

18

%