If a company transfers held-to-maturity securities to available-for-sales securities, the unrealized gain or loss is recognized in income

When you're posting comments on social media,

A) don't worry about the details of spelling and punctuation. B) exercise your free-speech rights by ranting and raving at length. C) promote your products and services aggressively. D) provide short "chunks" of information that can help others who visit the site.

How can businesses use social networking to support collaboration?

What will be an ideal response?