Applying for the Student Visa, need sample Business letter

[0xFF]

Hello,
I am applying for the Student Visa for the Canada within a week and I have to attached the business letter of my father business with the logo of the business at the top, but I have no idea how to write a business letter, neither my father has.

Could anybody help me with the business letter sample ?

 

[Regina]

Just describe the business and attach copies of some tax return to show that it is successful. Also, if there are customers -other COMPANIES- he could ask a reference from them too.