Profitability Ratio
	2019	2020	2021
Net Profit Margin before after-tax cost of interest	8.77%	4.14%	5.92%
Net Profit Margin	3.52%	3.82%	5.67%
Gross Profit Margin	21.75%	21.39%	22.18%
Interest Cost As a percentage of sales	0.28%	0.46%	0.24%
Asset Turnover	2.05	2.77	2.78
Return on Assets	25.13%	19.49%	16.46%
Return of Ordinary Shareholders Equity	17.86%	14.06%	13.2%
Earnings per share	217.40 cents	263.11 cents	440.75 cents

This is JB Hi-Fi Profitability Ratio from 2019 - 2021

Is the Profitability ratio for JB Hi-Hi from 2019 to 2021 good? Is this a business able to generate earnings relative to its revenue, operating costs, balance sheet assets, or shareholders' equity over time?