If you like messin' around in excel:
A = Portfolio value in yr 0
B = Portfolio value in yr 1
C = Portfolio value in yr 2
D = Portfolio value in yr 3
E = 0.03 (3% apprec)
F = 1.5 (60% gearing) 1 is 50%, 1.5 is 60%, 2 is 66%, 3 is 75%, 4 is 80%
Then,
Year 0 (A) = 1,400,000
Year...