The correct answer is: Only argument II is strong.
Argument I is not a strong argument because it does not provide any evidence to support its claim. The statement that “it is an age of advertising” does not mean that there should be a ban on product advertising. In fact, there are many countries that do not have a ban on product advertising, and their economies seem to be doing just fine.
Argument II is a strong argument because it provides evidence to support its claim. The statement that “the money spent on advertising is very huge and it inflates the cost of the product” is supported by evidence from studies that have shown that advertising costs can account for a significant portion of the cost of a product.
Therefore, the correct answer is: Only argument II is strong.