A patio set costs a retailer $$550$ less trade discounts of $30\%$ and $25\%.$ The retailer's overhead expenses are $25\%$ of cost and operating profit is $10\%$ of cost$.$ At the end of the season, the set is reduced to $$320.$ What is the profit or loss at the sale price? Enter a loss as a negative value.For full marks your answers$)$ should be rounded to the nearest cent.Profit on sale price $=$ $ $0\mathrm{.}00$