Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
period of time =
1.
Š¦
2.
Š
3.
Šú
4.
[
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ