A lawn mower retails for $349. The dealers overhead is 25% of cost, and normal operating profit

Question:

A lawn mower retails for $349. The dealer’s overhead is 25% of cost, and normal operating profit is 16 2/3 % of cost.
a. What is the largest amount of markdown that will allow the to break even?
b. What rate of mark down will price the lawn mower at cost?
Dealer
A dealer in the securities market is an individual or firm who stands ready and willing to buy a security for its own account (at its bid price) or sell from its own account (at its ask price). A dealer seeks to profit from the spread between the...