When writing a business proposal, you should do all of the following except what?

A use an emotional appeal in place of or along with a logical appeal

B avoid language that is too informal, uses slang or contains loaded words

C attempt to use jargon when possible

D avoid contractions or abbreviations because they are too informal and/or easily confused

When writing a business proposal, you should avoid language that is too informal such as slangs, jargons, and loaded words. Also avoid using contractions or abbreviations because they can cause confusion. Therefore, using an emotional appeal in place of or along with a logical appeal should not be done when writing a business proposal. The answer is option A.