Telecom service providers and textile Brands usually attract customers by giving a false impression of the pricing. "Free call minutes" often cat up the customer's balance unknowingly with the hidden tax and charges. Similarly, sales tax added after the purchase decision often comes as an unforeseen expense. To facilitate the comprehension of pricing and overall cost, all the tax being charged should be added in the price tag. Have read about such kind of distortion of fact? Write and explain at least 2 terms that best explain the case.