102010200.002.00

113021500.002.38

124033900.002.73

1350461400.003.04

185641450.002.27

228861530.001.78

15101011630.001.61

2061211690.001.40

35121561810.001.16

11301672110.001.26

12401792510.001.40

13501923013.851.57

Steve,

Your calculations were correct. The 5th column is based on an annual calculation so is blank until there are 12 months of data then sums the current and last...

I'm not sure how to post samples. What I have are 2 detail columns, columns which accumulate each of these, then a column which takes the cumulative total of...