Answer:
Whole sale price of couch that exists in Jessica's store = $ 113
Mark up rate at the Jessica's store = 45%
⇒Actual rate of Couch= Selling Price - Extra Price which is used for profit by the businessperson(Mark up price)
So, Mark up for couch = Selling price of couch -

= $ 113 -$ 50.85
= $52.15
So, Mark up for couch =

=
$