Interior Design Proposal Letter

Good day mga master baka matulungan niyo po ako about sa proposal letter. One of my client is asking me to produce a proposal letter for interior design project before she can give me the project but the problem is I don't know how to do it. I hope you can share some of your ideas about po. Maraming salamat po.

ito lang bro ang concept nyan.

I. items na gagawin mo
II. optional: process kung pano mo gagawin
III. duration of the project
IV. cost of project
V. terms of payment

signatures para proof.