To determine the annual accretion, find the difference between the cost of the bond and par value; divide the result by the original number of years to maturity. The following question tests your understanding of accretion. Mr. Dancer purchases a 5-percent corporate bond with 10 years to maturity at 80.
Look for horsepower (HP) ratings to compare the lifting power between garage door opener models. Ratings ranging from 1/2-horsepower to 1-1/2 horsepower are typical for residential models. If you have a sectional double-car garage door, a 1/2-horsepower motor should be sufficient, but a higher-power model will operate with less effort and less wear and tear on the motor.
The opening speed of a garage opener plays a role in the cost of a garage door opener. Garage door openers of lower speeds, such as a 1/3 horsepower opener, will cost an average of $120-$200. For garage door openers of faster speeds, such as a 3/4 horsepower opener, costs are an average of $200-$350. Noise level Garage door openers that cause the door to make more noise when in motion will be less expensive.