2000/01/01 Multiple posts
    A  $5.00
    B  $7.20
    C  $-114.99
    D

2000/01/02 Many assertions
    A  $2.00
    A  $3.00 = $10.00
    B  $0.80 = $8.00
    C  $-0.01 = $-115.00
    B  $1.00
    C  $1
    C  $4 = $-110
    D

2000/01/03 Incremental
    A  $1.00 = $11.00
    A  $1.00 = $12.00
    A  $1.00 = $13.00
    D

2000/01/04 Assignment
    A  $2
    A  = $25
    D  $-10
    D  $-2

test bal
              $25.00  A
               $9.00  B
            $-110.00  C
              $76.00  D
--------------------
                   0
end test