month wise report summary from other sheet where all months are entered for different categories of products


sheet 1

jan 14 product increase decrease
jan 14 product increase decrease
jan 14 product increase decrease
feb 14 product increase decrease
jan 14 product increase decrease
jan 14 product increase decrease

summary(month wise for each product)

jan 14 product increase decrease
jan 14 product increase decrease
jan 14 product increase decrease
jan 14 product increase decrease
jan 14 product increase decrease
total

feb 14 product increase decrease