Transactional services such as remote deposit capture (RDC) and mobile person-to-person (P2P) payments will account for the majority of mobile investment in 2012 by financial institutions, according to a survey released today that was conducted by Forrester Research on behalf of Fiserv. The “Mobile Banking and Payments” survey evaluated the plans of 10 banks and credit unions that in total hold more than one-third of all U.S. deposit accounts.