Build Simple Excel VBA Program

Job ID: 35659639

Budget: $30 – $250 SGD

I like to have an excel program that is able to do the following.
1) To compare excel data between user input(in an excel tab) and imported excel data(import data with a button) and output the comparison results
2) user able to get certain computed value(Ie Average of excel data, price escalation %) and select the period of data for the average and this data will be use in pointer 1 for comparison.
3) Output a text file with the computed results
4) Dummy guide for making amendments to the VBA code