Question $7[8$ points$]$

A television stand had a markup on cost percentage of $50\%.$ The cost of the stand was $$250.$ During a clearance event, the price was reduced to $$281.$ For full marks your answer$($s$)$ should be rounded to the nearest cent.

a$)$ What was the regular selling price?

$|$

b$)$ If overhead expenses are $13\%$ of the selling price, what was the original operating profit?

c$)$ What is the rate of markdown during the sale? Your answer should be accurate to two decimal places.

Rate $of$ Markdown $=$

d$)$ What is the amount of profit or loss at the sale price? Enter a loss as a negative value.