1 If a bond's coupon rate is less than its YTM, then the bond is selling at a discount. 2  If a bond's coupon rate is more than its YTM, then the bond is selling at a premium.  If a bond's coupon rate is equal to its YTM, then the bond is selling at par.
(Click Sinusitis (Sinus Infection) Treatment for more details on treating an acute sinus infection. You can also read more about medicines used to treat this condition by clicking Sinus Infection (Sinusitis) Medicines.). Most people with acute viral sinusitis get better on their own within 7 to 10 days. Many cases of acute bacterial sinus infections also get better on their own or with the help of antibiotics.
When a sinus infection wonât quit. While itâs true that sinus infections sometimes clear on their own, antibiotics can sometimes shorten their duration, says Dr. Woodard. Talk with your doctor if your symptoms donât subside within 10 days, or if you have persistent fevers, facial swelling or neck stiffness, he says.