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