10. The advance-decline line is used to indicate a. if the majority of stocks in the market are acting in concert with the major averages b. if volume trends are confirming price trends c. if the intermediate market cycle is nearing completion d. if a bull market is occurring 11. The Kondratieff cycle extends for a period of about a. 13 weeks b. 13 years c. 54 weeks d. 54 years