Consider the structure of d-erythrose,shown below.Draw the structure of the product obtained upon treatment of d-erythrose with nitric acid.Give its IUPAC name and comment on its stereochemistry. 
Definitions:
Depreciation
Depreciation is an accounting method of allocating the cost of a tangible asset over its useful life, reflecting the reduction in value over time.
Useful Life
The estimated period over which an asset is expected to be usable by the entity owning it, affecting depreciation calculations.
Adjusting Entries
At the end of an accounting interval, journal entries are made for the allocation of profits and expenses to the time frame in which they were genuinely incurred.
Prepaid Expenses
Payments made in advance for goods or services that will be used in the future, recorded as assets on the balance sheet until they are consumed.
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