Answer:
g. 20.26%
Explanation:
The computation of the MIRR is as follows;
Here we applied the MIRR formula in an excel
Year   Cash flow
0 Â Â Â Â -1,200,000
1 Â Â Â Â Â 400,000
2 Â Â Â Â 500,000
3 Â Â Â Â 500,000
4 Â Â Â Â 500,000
5 Â Â Â Â 500,000
After applying the MIRR formula, the MIRR is 20.26%
Therefore the correct option is g.