Add an 'equity' method to ALIncome class #316

	name: black-action
	on:
	# Trigger the workflow on push or pull request,
	# but only for the main branch
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	jobs:
	linter_name:
	name: formatting
	runs-on: ubuntu-latest
	steps:
	- uses: SuffolkLITLab/ALActions/black-formatting@main
	with:
	MAKE_PR: "true"
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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