Engineering Economics
The sunk costs include:

A past expenditure
An invested capital that cannot be retrieved
An unrecovered balance
All of these

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER DOWNLOAD EXAMIANS APP