Answer:
[tex]Cost\ of\ gift=\$ 388.8[/tex]
Step-by-step explanation:
Original Price[tex]=\$450[/tex]
Discount:
Discount[tex]=20\%[/tex]
[tex]20\%\ of\ 450=\frac{20}{100}\times 450=90\\\\Discounted\ Price=450-90=\$360[/tex]
Tax:
Tax[tex]=8\%[/tex]
[tex]8\%\ of\ 360=\frac{8}{100}\times 360=28.8\\\\Final\ cost=360+28.8=\$388.8[/tex]