In 2005 Tycoon Tammy invested \$ 100 for two years. During the first year her investment suffered a 15 \% loss, but during the second year the remaining investment showed a 20 \% gain. Over the two-year period, what was the change in Tammy’s investment?
Answer Choices
A. 5 \% loss
B. 2 \% loss
C. 1 \% gain
D. 2 \% gain
E. 5 \% gain