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8. STOCK OPTIONS AND WARRANTS: Defined Benefit Plan, Assumptions (Tables)
12 Months Ended
Sep. 30, 2019
Tables/Schedules  
Defined Benefit Plan, Assumptions

The weighted average assumptions used to estimate the fair value of options for the years ended September 30, 2019, 2018 and 2017 were as follows:

 

 

2019

2018

2017

Risk-free interest rate

1.25%

1.25%

n/a

Expected life

5 years

5 years

n/a

Expected volatility

175.27%

166.63%

n/a

Expected dividend yield

nil

nil

n/a