I've gotten in the writing habit of BLUF, Bottom Line Up Front:
"Hey boss,
I think we should use this vendor.
[4 paragraphs with charts and formulas explaining why that's the only rational choice]"
The way readers parse this is "the sender thinks we should do this thing, and oh, now that I have that idea implanted in my brain, wow, they sure have a lot of supporting evidence! OK, fine, let's do it."
"Hey boss,
I think we should use this vendor.
[4 paragraphs with charts and formulas explaining why that's the only rational choice]"
The way readers parse this is "the sender thinks we should do this thing, and oh, now that I have that idea implanted in my brain, wow, they sure have a lot of supporting evidence! OK, fine, let's do it."
[0] https://en.wikipedia.org/wiki/BLUF_(communication)