Begin by preparing a contribution margin income statement for the mallow charms' product line. $($Use a minus sign or parentheses to enter a lo

$\backslash$table$[[$Sales revenue,$$,7,450,000],[$Less: Variable expenses,,$4,890,000],[$Contribution margin,$$,2,560,000],[$Less: Fixed expenses,,$3,010,000],[$Operating income $($loss$),$$$,(450,000)$