Opening a Tattoo Shop

hi everyone i was really hoping i could get your help... i am in the 11th grade and i am a bit of an over achiever. As of now i am in an Entrepreurship class at my school and they are asking for me to write up a business plan... its not real i will not be going into a business for myself but if i dont do a good job i will fail my class and that is unacceptable so it is my hopes that someone can tell me approximatly how much of a loan is a good start to open my business... and if any of you are kind enough and has experience with a tattoo shop and with its operations could you please offer your help with all of the information you can provide me with... it would be very much greatly appreciated... if you are intrested in helping me my email address is [email removed]... thank you for reading my plea to you all... i hope you can help