Final answer:
The correct differentiated add-ons in PrimePay's acquisition add-on sales strategy cannot be determined without additional context or access to specific materials detailing their offerings.
Step-by-step explanation:
The three solutions that may be considered differentiated add-ons in PrimePay's acquisition add-on sales strategy are not explicitly listed in the question provided. This means the answer to your question could be either option a) A, B, C, b) X, Y, Z, or c) Option 1, Option 2, Option 3 depending on the context or details specific to PrimePay's offerings that are not provided here. As this appears to be a question with specific answers relevant to a proprietary business strategy, internal training materials or the company's service offerings should be consulted to ascertain the correct differentiated add-ons for PrimePay's sales strategy.