Returning to the original tempo after a change in the music is best indicated by what marking in the score?
Some authors on the Yahoo Contributor Network are able to make $50K+ per year. Payment is in two parts: Upfront and Performance. Upfront payments are in the range of $0-15 and do not preclude the contributor from receiving performance payments. Performance payments are $1-2 CPM for a given article.
Most staff writers work on 20-week contracts, at a rate of about $3,800 a week, though more senior writers earn about $6,000 a week. But the real money is in writing an entire episode on one's own. That pays $24,788 a script, and considerably more if you create your own series (see Showrunner).