A jewellery store paid a unit price of $250 less 40%, 16 23%, and 8% for a

Question:

A jewellery store paid a unit price of $250 less 40%, 16 2⁄3%, and 8% for a shipment of designer watches. The store’s overhead is 65% of cost and the normal profit is 55% of cost.
(a) What is the regular selling price of the watches?
(b)What must the sale price be for the store to break even?
(c) What is the rate of markdown to sell the watches at the break-even price?