Engineering Economics
Pick up the correct reason for making conceptual (or preliminary) estimate from the following:

All of these
To compute target estimate for the owner while drawing and specifications are in initial stage
To have a check on a definitive cost estimate
To check quotations from contractors and/or sub-contractors

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Engineering Economics
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 P 400,000B. The construction of a smaller building now to cost P300,000 and at the end of 5 years, an extension to be added to cost P 200,000.By how much is proposal B more economical than proposal A if interest rate is 20% and depreciation to be neglected?

P 19,518.03
P 19,423.69
P 19,122.15
P 19,624.49

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