Knowlege of business is very important to any company's manager to get the most profit and the lowest loss.
A succefull manager in business should know base of accounting, insurance & tax rules, and how to get loans on time, how to advertise, by which resources of advertisement and what type of insurance is the best for the company.
A manager with accounting knowledge could decide better how to pay less for charges and how to convert expenses to time investments !!
To start, Please on here What is mean of Accounting
Update on 9/19/2015