Three Per Centum (3%) Engineering and Administrative Overhead Expenses. Category: Department OrderSub Category: acct-budget-funds-taxesSeries: 1984No: 27File: DO_027_S1984.pdfDate: Wednesday, July 11, 1984Tags: 3% Engineering Administrative Overhead Expenses budget 027 Read more about Three Per Centum (3%) Engineering and Administrative Overhead Expenses.