Choose two of the following professional documents and describe at least two types of mathematical computations that would be useful for each document and why:
a. Budget
b. Inventory
c. Sales Report
d. Payroll
e. Invoices
f. Purchase Orders
Then, describe at least 2 additional Excel skills or features from your previous experiences with the Micrsoft Excel program ( job training, personal use) that could be useful in those documents and why.