For the year ended December $31,2022,$ Settles Incorporated earned an ROI of $10\mathrm{.}0\%.$ Sales for the year were $$15$ million, and average

asset turnover was $2\mathrm{.}5.$ Average stockholders' equity was $$3$ million.

Required:

a$.$ Calculate Settles Incorporated's margin and net income.

Note: Round "Margin" answer to $1$ decimal place. Enter the net income answer in dollars, i$.$e$.,$ $$5$ million should be entered as

$5,000,000.$

b$.$ Calculate Settles Incorporated's return on equity.

Note: Round your answer to $1$ decimal place.