A budget will ordinarily consist of Direct Costs (DC) and Indirect Costs (IC)
See Basic Budget Building Tutorial, a Powerpoint tool that provides detailed step by step pointers on budget building. This is strongly recommended for new faculty, infrequent fliers of the proposal process, or those just seeking a refresher.
Budget construction is often the most difficult part of the proposal. The difficulty arises because research itself is unpredictable; therefore, it is often difficult to estimate the resources needed to accomplish the project. The past experience of the principal investigator should serve as a guide for correct budget estimation. If new to the process, consult with a more senior colleague or contact your OGCA Pre-award Administrator for assistance.