The institute of Electronics and Communications Engineers of the Philippines (IECEP) is planning to put up its own building. Two proposals being considered are: A. The construction of the building now, to cost $500,000 B. The construction of a smaller building now, to cost $300,000 and at the end of 5 years, an extension to be added to cost #300,000 Which option is more cost-effective if the interest rate is 20% and depreciation is ignored, and by how much? Follow the format. 1. Given: 2. Formula: 3. Required: 4. Cash flow Sketch: 5. Solution