Using Google Wallet, consumers can pay for goods in stores. At check out, mobile users simply pass or tap their phone on a merchant terminal and payment is transferred. Users receive an SMS text message confirmation. The Google Wallet and similar payment systems are based on QR code technology. Select one: True False

False

Explanation: Google wallet and other similar payment methods such as Apple pay involving tapping on a merchant's payment terminal uses Near Field Communication (NFC) technology and not QR technology. Both methods are contactless methods of making payment, however, in the case of QR, it requires customers to simply scan a code similar to a barcode which has been specifically designed by the merchant from their mobile devices with the aid of camera. NFC payments doesn't require scanning a barcode as it only requires authentication by tapping on a merchant's payment system once the devices are close together.

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"we first find value of tax in dollars.

the difference between the two prices   is: 23. 54 - 22 = 1.54

therefore the sales tax in dollars is 1.54

the tax % will be   (amount of tax / original cost price ) × 100

(1.54 / 22) × 100  → (0.07) × 100 =   7

so the tax rate is 7%

we can double check the answer.

7 % of 22   → (7/100) × 22 → 0.07 × 22 = 1.54

22 + 1.54 = 23.54"

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