Zhao Company has fixed costs of $$483,000.$ Its single product sells for $$195$ per unit, and variable costs are $$126$ per unit. If the company expects sales of $10,000$ units, compute its margin of safety $($a$)$ in dollars and $($b$)$ as a percent of expected sales.

$\backslash$table$[[$a$.$ Margin of safety $($in dollar$)],[$b$.$ Margin of safety $(\%)]]$