12. You are the treasurer for your company's actuarial club. The club's account had a fund balance of $1050 on January 1 , and $1160 on December 31 . At the end of every month, the club receives $90 in membership dues. There were withdrawals of $600 on May 1 , and $400 on June 15 . Calculate the dollar-weighted (money-weighted) rate of return for the year, expressed as a nominal annual rate compounded monthly. A 3.13% B 3.18% C 3.23% D 3.28% E3.33%