Wing's Electronics purchased 80 speakers from the manufacturer for $300 each less discounts of 25% and 12%. The regular markup on the speakers is 60% of the regular selling price, and Wing's overhead is 10% of the regular selling price. On the Black Friday sale, the sales price was reduced to $297.

(a)What was Wings cost for each speaker? (2 mark)

(b)What was the regular selling price? (2 mark)

(c)What was the rate of markdown for the sale? (2 marks)

(d)What was the profit or loss on each speaker at the sale price?