➜
➜
➜
➜
➜
8000
=
[ 1 +
r
100
] 2
=
9680
[ 1 +
r
100
]2
=
9680
8000
[ 1 +
r
100
]2
=
121
100
[ 1 +
r
100
]
=
11
10
11² = 121
10² = 100
10² = 100
r
=
1
10
× 100
r
=
10%
Interest Compounded Annually
years
8000
2
9680
Amount of the same sum in 3 years at
the same rate of compound interest
the same rate of compound interest
=
8000
[1 +
10
100
] 3
=
8000
×
11
10
×
11
10
×
11
10
=
10648