2007/02/02 RD VMMXX
    Assets:Investments:Vanguard:VMMXX  0.350 VMMXX @ $1.00
    Income:Dividends:Vanguard:VMMXX        $-0.35

$ hledger -f- check

#test bal --basis
#               $0.35  Assets:Investments:Vanguard:VMMXX
#              $-0.35  Income:Dividends:Vanguard:VMMXX
#--------------------
#                   0
#end test
#