You want to buy an item that costs $100. Which of these is the most cost-effective choice for buying the item?

using a paid membership card to buy it at a 10 percent discount

buying it online at a 10 percent discount with a $5 shipping charge

buying it at a 10 percent discount without sales tax

Respuesta :

Buying it 10% discount without tax is the best option. With card you still have the tax plus the card fee you pay annually to add to it. On the online purchase, you still have the tax plus the 5 shipping charge.

Answer:

C.  

buying it at a 10% discount without sales tax

Step-by-step explanation: