internal order planning

HI,

It is related to internal order planning , budgeting & information system.

Total order-5lakh (project cost)

expenses incurred related to travelling :-25000/-

Salaries-100000/-

Rent:-50000/-

Total =175000/-

if in betwwn credit not raise of -100000/-

so,project cost will be :-400000/-

How can i show in the sysytem this scenario?

i have created internal order .& planning through KPF6.

Should i used budgeting part ko12,k022,k024,ko26.

please,give me brief idea about scenario