Counseling an HIV-positive individual about how to avoid transmitting the virus to other people is: \ a. ancillary prevention b. primary prevention c. secondary prevention d. tertiary prevention

No, this would not work as intended. Western Union does not offer reward points for transferring money, so the two people would not be able to earn any points. Additionally, repeatedly transferring money back and forth between the same two people could raise suspicions and potentially trigger fraud prevention measures. It's important to use credit cards responsibly and within the terms and conditions set forth by the issuer.