No, a standard business letter is typed in "portrait". Standard pages of any kind containing text only are normally typed in "portrait".
The reference line on a business letter is placed one space below the inside address and one space above the salutation; at the left margin on a block style or modified block style format, and center tab on a standard indented letter.
The link below has an example of business proposal letter, hope it will be helpful.
With all due respect, IF you have to ask us how to write a letter, it may be a little difficult convincing him that you can actually run a dealership.Additional InformationThe most dealerships are based on the money you have to invest and an appropriate business plan. These are the things that a company will look at. Use the standard business letter format linked below to plan your letter with the information that the company will need to know about you and your suitability for a dealership.
Dear Mr. President is a salutation of a business letter. The salutation goes at the beginning, thus that's how you got Dear.
That part of the letter is called the salutation or greeting.
A business letter is typically a letter written to a company. The standard margin in a business letter is one to one and a fourth inches.
What is the volume of a standard business letter envelope 9.5 L x 4.25 W?
Top right corner for a standard business letter. Above the address of recipient (blank line between) for block style business letter.
Portrait
The standard size business letter is called a #10envelope.
#10 is a standard business letter envelope, which,weirdly measures 9.5 L x 4.25 WThe standard business envelope is the #10 envelope, which measures 4 1/8" by 9 1/2 inches.
The standard margins for the side, top, and bottom of a business letter should be 1 to 1 1/4 inches.
Assuming a 1 oz. letter in an standard business envelope, it would cost $1.05.
The standard margin on a business letter is one inch (1"), although some people prefer one and a quarter inches (1.25"). Both are acceptable.
When using a standard size letterhead to prepare a full page business letter, the left and right margins should each be one inch wide.
Normally 1 to 2 business days.
Standard parts of a business letter:letterhead (or senders address for plain paper),date,inside address,salutation,body,complimentary closesignaturename of sender printed or typedOptional parts of a business letter:reference lineenclosures listedcopy (Cc)