Cash Budget

One of our requirements for our college graduation is to make an accounting of our business plan. We were developed to be proficient in MS Excel by directing us to work on a lot of accounting for the whole.
My works can be seen on the links below:
https://docs.google.com/spreadsheets/d/1GzXD1w6lLCA2e4KytuCygmGArqwEwYoN/edit#gid=1043217777
https://docs.google.com/spreadsheets/d/1kQMr_v2MV7lPkD0KSA-7ErndY39qM0Up/edit#gid=1581123527