Roi calculator

[jomarmontuya]

Description

Please include a summary of the changes and the related issue. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list the simulator and android emulators used.

• Manual Test
• Unit Test
• E2E Test

Screenshots / Screen recording

Please add screenshots or recording if applicable

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[github-actions]

Pull reviewers stats

Stats of the last 30 days for website:

	User	Total reviews	Time to review	Total comments
	ardeay	6	12h 4m	7
	giseleblair	4	1d 2h 23m	0
	darwin808	2	8d 22h 6m	3
	b-estevez	1	6m	0
	jomarmontuya	1	1h 39m	0