In making a budget for your business.. What is the first budget type you should go through and what next??

The first budget have to start with is

Budget of Sales

the Budget making processes can be as follow:

1) Rough order of Magnitude; which created during the intiation phase (-25% to +75% from actual).

2) Budget Estimate; which created during the planning phase (-10% to +25% from actual).

3) Definitive Estimate; which updated during the execuation / progress phase (-+10% )

In budget making process1st budget you have to prepare is sales budget. It is the foundation of budget and then you have to prepare purchase budget, overhead budget, fixed asset budget etc..