If you can do that every year starting with £100 you will have 37 million in 5 years. I think though you might get a few years of -100%
Year Year Interest Total Deposits Total Interest Balance
1 £1,200.00 £100.00 £1,200.00 £1,300.00
2 £15,600.00 £100.00 £16,800.00 £16,900.00
3 £202,800.00 £100.00 £219,600.00 £219,700.00
4 £2,636,400.00 £100.00 £2,856,000.00 £2,856,100.00
5 £34,273,200.00 £100.00 £37,129,200.00 £37,129,300.00
Year Year Interest Total Deposits Total Interest Balance
1 £1,200.00 £100.00 £1,200.00 £1,300.00
2 £15,600.00 £100.00 £16,800.00 £16,900.00
3 £202,800.00 £100.00 £219,600.00 £219,700.00
4 £2,636,400.00 £100.00 £2,856,000.00 £2,856,100.00
5 £34,273,200.00 £100.00 £37,129,200.00 £37,129,300.00
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