Suppose a certain appliance store purchases the following items. Calculate the extended total after the trade discounts for each line, the invoice subtotal, and the invoice total. $($Round your answers to the nearest cent.$)$

Quantity Unit Merchandise Unit List Trade

Discounts Extended

Total

$150$ ea$.$ Blenders $$49\mathrm{.}9520/15/15$ $

$400$ ea$.$ Toasters $$38\mathrm{.}8820/10/10$ $

$18$ doz. Coffee Mills $$244\mathrm{.}3030/9/6$ $

$12$ doz. Juicers $$480\mathrm{.}0025/10/5$ $

Invoice subtotal $

Extra

$5$

$1$

$2$

$\%$

volume discount on total order $$ $

Invoice total $