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.
Acute sinusitis may be a flare-up of a long-term problem known as chronic sinusitis. Chronic sinusitis lasts longer than 12 weeks. Meningitis. This infection causes inflammation of the membranes and fluid surrounding your brain and spinal cord. Other infections. Uncommonly, infection can spread to the bones (osteomyelitis) or skin (cellulitis).