Answer:
$601.29
Step-by-step explanation:
-Given that the item has a discount of 31.25% and that the sales tax is at 9.875%
Let c be the sale price, p the regular price and d the discount rate.
#The cost of the item, c before sales tax is:

#Now let
be the sale price after taxation.
-The sales tax is added to the listed price to determine the final sale price:

We substitute our values in the sale's equation to calculate the final sofa price:

Hence, the final price of the sofa is $601.29