need dot net guide for my own project

i need some help now, getting so many doubts while developing application,.
Develope application for accounts dept.

my proj explain:
1. open application 
2. enter username and password
3. enter student id or staff id
4. confirm the name and id
5. if student paying 500rs
6. that the 500 should spilt into some  subs
7. Like 500rs for 
        games: 100
        uniform :200
        tution : 200                
        total    500

8. Finally print function

thanks alot for you valuable reply for me,
ya ,. developing application for my college,. like a accounts application,.
still my college account dept using written work for notebook record, not any application or software,.
example 
if am paying fee in my college, they note it down using pen and note,
so i tried to develop app for this,.
you got it what tried to saying ?

Hi Sabari,
please explain what do you want to do  in your project