Python Sales Cost Simulator
Usage:
Simulator reads BATCH information from text file. Four variables are to be entered:
a. a is an array of values that represent all the documents asociated with the batch b. b is a table that represents the portion of the batch for each product bought. It also specifies number of units and unit cost. c. c references every product process into another product. d. d is used to specify all sales made for current batch.