المال

M = P × r(1+r)ⁿ ÷ ((1+r)ⁿ − 1)

T = N × r ÷ 100 · G = N + T

FV = P × (1+r)ⁿ + PMT × ((1+r)ⁿ − 1) ÷ r

P = €250,000 · r = 4.5% ÷ 12 · n = 20 × 12 = 240

€100 × 20% = €20 · €100 + €20 = €120

P = €10,000 · r = 6% ÷ 12 · n = 10 × 12 · PMT = €200