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