[tex]\begin{gathered} \text{ price =150} \\ sale\text{ tax}=\text{ (150)}\cdot(0.07)=10.5 \\ Total\text{ price =150+10.5} \\ Total\text{ price =160.5} \\ \text{Interest of the card= (160.5)}\cdot(0.085)=13.643 \\ \text{Total cost=160.5}+13.643 \\ \text{total cost=174.143} \\ Amit\text{ will pay \$174.143 after 1 year} \end{gathered}[/tex]
