What data elements are MOST critical to the payments professional when comparing a merchant's current statement to the new offer proposed by the payment professional? Volume, average ticket, rate, and transaction fee Using the interchange plus model, which of the following costs can be adjusted during negotiations with the merchant? Acquirer markup For most credit card transactions, what is the MAXIMUM numbers of days between the sale and when a dispute request can be initiated? 120 days Which of the following merchants would be considered the highest risk? Time share advertising In a blended pricing method (three tiers, enhanced bill-back), merchant manually enters a VISA card transaction, but forgets to enter the AVS. What is the appropriate interchange category for this transaction? EIRF What information should be discussed at the time of sale in order to BEST establish a credible relationship between the payments professional and the merchant? Discount rates, transaction fees, and settlement fees MasterCard's Convenience Purchases interchange qualification applies to which of the following transactions? Payment for taxi servicesWhen proposing check processing services to be included in a merchant's existing terminal, what steps should be taken to ensure the ability to process transactions? Verify the terminal and check