In addition to the regular trade discount of $25\%$ and a volume purchase discount of $813\%$

$8$

$1$

$3$

$\%$

from the manufacturer, Appliance Warehouse is offered a further $5\%$ discount for orders placed in January. $($Use five decimal places for repeating decimals.$)$

a$.$ What is the net price after all three trade discounts on refrigerators listed at $$1,195?($Round your answer to the nearest cent.$)$

Net price $

b$.$ What is the list price on an electric range whose net price works out to be $$470\mathrm{.}25?($Round your answer to the nearest cent.$)$

List price $

c$.$ What single trade discount rate is equivalent to the three trade discounts? $($Round your answer to one decimal place.$)$

Discount $\%$

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.$)$

Amount $