Answer
The total cost is $848.40.
Work Step by Step
discount = rate * original price
$d=0.18\times958=172.44$
sale price = original price - discount
$s=958-172.44=785.56$
sales tax = tax rate * price
$t=0.08\times785.56=62.84$
cost = price + tax
$c=785.56+62.84=848.40$
