Table:
0
A
B
C
D
E
F
G
1
Grant Date
Exercise Date
Expiry Date
Exercise Price $
No. of Options at Beg. of Year
Options Exercised or Lapsed
No. of Options at End of Year
2
2 Jul 2012
2 Jul 2015
2 Jul 2017
0.92
40,000
(40,000)
-
3
2 Jul 2013
2 Jul 2016
30 Sept 2018 1
0.92
295,000
(220,000)
75,000
4
2 Jul 2014
2 Jul 2017
2 Jul 2019
1.30
875,000
(405,000)
470,000
5
2 Jul 2015
2 Jul 2018
2 Jul 2020
2.67
1,000,000
-
1,000,000
6
22 Dec 2016
31 Aug 2019
22 Dec 2021
3.59
1,323,730
-
1,323,730
7
Total
3,533,730
(665,000)
2,868,730
8
Weighted average exercise price
$1.15
$2.82

Questions and formulas:
Question: What was the total weighted exercise cost for all options exercised or lapsed?
Formula: F7 * F8
Formula2: F7 * F8
Level: Calculation
Question: What was the total percentage change in exercise price between 2014 and 2016?
Formula: (D6 - D4) / D4 
Formula2: (D6 - D4) / D4 
Level: Calculation