Invest Ksh 100,000 in Mayfair MMF for 15 years.
At Mayfair Money Market Fund's current net yield of 5.75% (after Kenya's 15% withholding tax), a Ksh 100,000 deposit grows to about Ksh 236,892 after 15 years — about Ksh 136,892 in interest, assuming daily compounding and no withdrawals.
Final balance
Ksh 236,892
2.37× your deposit
Deposited
Ksh 100,000
One-off, no withdrawals
Interest earned
Ksh 136,892
At 5.75% net p.a.
Year by year
vs keeping it in a bank savings account
The same Ksh 100,000 at Credit Bank's deposit rate of 12.68% would grow to about Ksh 663,276 over the same 15 years — that's -Ksh 426,385 less than Mayfair Money Market Fund.