#### Principal (initial amount), P = 2,500

#### Annual simple interest rate, R = 7.3%

#### From date: Jan 1, 2009

#### To date: Aug 31, 2018

#### Duration, T = 3,529 days (115 Months and 30 Days)

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

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

## I = Simple interest:

#### I = (P × R × T) ÷ N =

#### (2,500 × 7.3% × 3,529) ÷ 365 =

#### (2,500 × 7.3 × 3,529) ÷ (365 × 100) =

#### 64,404,250 ÷ 36,500 =

#### 1,764.5

## B = Amount earned:

#### B = P + I =

#### 2,500 + 1,764.5 =

#### 4,264.5