In addition to the regular trade discount of $25\%$ and a volume purchase discount of $81/3\%$ from the manufacturer, ApplianceWarehouse is offered a further $5\%$ discount for orders placed in January. $($Use five decimel places for repeeting decimals.$)$ a$.$ What is the net price after all three trade discounts on refrigerators listed at $$1195?($Round your answer to the neorest cent.$)$ b$.$ What is the list price on an electric range whose net price works out to be $$470\mathrm{.}25?($Round your answer to the nearest cent.$)$ c$.$ What single trade discount rate is equivalent to the three trade discounts? $($Round your answer to one decimal place.$)$ d$.$ After the regular and volume discounts are both taken, what dollar amount of savings does the extra discount for January orders represent on a $$1,000$ list price item? $($Round your answer to the nearest cent.$)$