Because acronyms are said as distinct words, they are usually (but not always) written without periods. In some cases, the acronym has become so common that the letters aren't even capitalized anymore. (acronym or initialism of “As Soon As Possible”; also often written as ASAP, asap, and a.s.a.p.)
Also to know is, which words are capitalized?
Capitalize the first word of a document and the first word after a period. Rule 2. Capitalize proper nouns—and adjectives derived from proper nouns. With the passage of time, some words originally derived from proper nouns have taken on a life, and authority, of their own and no longer require capitalization.
What is the capitalization?
Capitalization, in accounting, is when the costs to acquire an asset are expensed over the life of that asset rather than in the period it was incurred. In finance, capitalization is the sum of a corporation's stock, long-term debt, and retained earnings.