A snow blower retails for $$489.$ The dealer's overhead is $20\%$ of cost$,$ and normal operating profit is $16(2)/(3)\%$ of cost$.$

What is the largest amount of markdown that will allow the dealer to break even?

What rate of markdown will price the snow blower at cost$?$A snow blower retails for $$489.$ The dealer's overhead is $20\%$ of cost$,$ and normal operating profit is $16\frac{2}{3}\%$ of cost$.$

What is the largest amount of markdown that will allow the dealer to break even?

What rate of markdown will price the snow blower at cost$?$