Step 2. Divide the annual interest rate expressed as a percentage by 12 to calculate the monthly interest rate expressed as a percentage. For example, if you have an annual interest rate of 7.8 percent, divide 7.8 by 12 to find the monthly interest rate is .65 percent.Related Reading: Interest Rate vs. APR Rate.anks accounts and loans often state the annual interest rate, but compound interest on a monthly basis, meaning that you need to know the monthly rate to calculate how much interest you will earn have to pay.
Major brand tennis racket manufacturers provide sizing guidelines to help you select the correct racket. If you child is 5 years old or younger and is 44 inches or shorter, a 19- or 21-inch racket is a good fit. If your child is age 6 to 8 and measures 45 to 49 inches, select a 23-inch racket.
Head Speed 21 junior tennis racquets are a perfect starting racquet for your 4-6 year old. The colored frame features a lightweight construction and a 107 sq inch head that makes hitting the ball easy for younger children.he Babolat AeroPro Drive 26 Junior French Open 2012 racquet, with identical specs to the regular frame, is for the aspiring, young tennis professional. Inspired by Rafael Nadal's racquet of choice, the Aeropro Drive GT Junior offers all the same technology as the heavier version, but in a smaller and lighter frame.