Assuming no changes, you will earn interest at the 0.2 percent rate on the new $200 value of your bond for the next 10 years. That translates to $4.04 in interest during that final 10 years.At the end of 30 years, your $100 bond will be worth $204.04.alculating Return. Current bonds are bought electronically at full face value, meaning you pay $100 for a $100 bond. At the current 0.2 percent interest compounded semiannually, your $100 savings bond will have earned $4.08 in interest through Year 20.
Circulatory problems could also cause leg cramps while sleeping because of the poor or reduced supply of oxygen to the muscle and tissue. Nocturnal cramps can affect anyone from any age group. However, in most cases, it affects people with poor circulation in their limbs especially pregnant or elderly women.
By Mayo Clinic Staff. Most of the time, no apparent cause for night leg cramps can be identified. In general, night leg cramps are likely to be related to muscle fatigue and nerve problems. The risk of having night leg cramps increases with age. Pregnant women also have a higher likelihood of having night leg cramps. Several conditions, such as kidney failure and diabetic nerve damage, are known to cause night leg cramps. But if you have one of these, you're most likely aware of it and have symptoms other than night leg cramps.