Table:
0
A
B
C
1
Years Ended December 31,
2
2018
2017
3
Expected life (years)
5.6
5.6
4
Risk-free interest rate
2.7%
1.9%
5
Expected volatility
26.4%
29.4%
6
Expected dividend yield
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Questions and formulas:
Question: What was the change in Expected volatility between 2017 and 2018?
Formula: B5-C5
Formula2: B5-C5
Level: Calculation
Question: What was the change in risk-free interest rate between 2017 and 2018?
Formula: B4-C4
Formula2: B4-C4
Level: Calculation
Question: What was risk-free interest rate in 2017 as a percentage of risk-free interest rate in 2018?
Formula: C4/B4
Formula2: C4/B4
Level: Calculation