#### Principal (initial amount), P = 8,656.95

#### Annual simple interest rate, R = 8.95%

#### From date: Aug 12, 2010

#### To date: Sep 12, 2010

#### Duration, T = 31 days

#### Commission fee (withdrawal or payment), F = 0%

#### No. of days in a year, N = 365

## I = Simple interest:

#### I = (P × R × T) ÷ N =

#### (8,656.95 × 8.95% × 31) ÷ 365 =

#### (8,656.95 × 8.95 × 31) ÷ (365 × 100) =

#### 2,401,870.7775 ÷ 36,500 ≈

#### 65.804678835616 ≈

#### 65.8

## B = Amount earned:

#### B = P + I =

#### 8,656.95 + 65.804678835616 =

#### 8,722.754678835616 ≈

#### 8,722.75