A Gas Hedge Trimmer Cost a Retailer $218

A gas generator cost a retailer $400.00 less 20%,17%,3%.It carries a regular selling price on its price tag at a markup of 90% of the regular selling price.During the end-of-season sale,the gas generator is marked down 40%.What is the end-of-season sale price? A)$1030.53 B)$400.75 C)$458.01 D)$1545.79 E)545.79

Barmby's Aquarium Supplies purchased sets of aquariums for $315.00 less 10%,12%.Expenses are 21% of the regular selling price and the required profit is 42% of the regular selling price.The store decided to change the regular selling price so that it could offer a 20% discount without affecting its margin.During the Christmas season,the unsold sets were advertised at a discount of 40%.What operating profit or loss was realized on the sets sold during the Christmas season? A)$112.83 B)$114.62 C)$112.11 D)$110.85 E)$123.49