The Sales Tax on an Item with a Retail Price $\$ 716.03$

Multiple Choice

The sales tax on an item with a retail price of $612 is $61.20. Create a mathematical model that gives the retail price, y, in terms of the sales tax, x, and use it to determine the retail price of an item that has a sales tax of $70.38.

A) $\$ 716.03$
B) $\$ 705.79$
C) $\$ 648.11$
D) $\$ 675.43$
E) $\$ 703.80$