Invest Ksh 250,000 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 250,000 deposit grows to about Ksh 592,229 after 15 years — about Ksh 342,229 in interest, assuming daily compounding and no withdrawals.
Final balance
Ksh 592,229
2.37× your deposit
Deposited
Ksh 250,000
One-off, no withdrawals
Interest earned
Ksh 342,229
At 5.75% net p.a.
Year by year
vs keeping it in a bank savings account
The same Ksh 250,000 at Credit Bank's deposit rate of 12.68% would grow to about Ksh 1,658,191 over the same 15 years — that's -Ksh 1,065,962 less than Mayfair Money Market Fund.