Answer:
B. $275,000
Explanation:
The second machine will be depreciate over time as it can later be used for operational purposes or another research projects. The first, as can only be used for a research project It should be considered expenses for the entire amount regardless of the useful life.
Machine B useful life 10 years
depreciation expense: cost / useful life
250,000 / 10 = 25,000
machine A 250,000 + 25,000 depreciation for machine B = 275,000 total