The goal is to calculate the payroll of number of people. To simplify, let's say three people: A, B, and C.
Tha table would contain the following records for July:
A, 7/25/2015, 1000
B, 7/25/2015, 1200
C, 7/25/2015, 1400
For August, I need to add the following records:
A, 8/25/2015, 1000
B...