Invest Ksh 500,000 in Mayfair MMF for 10 years.
At Mayfair Money Market Fund's current net yield of 5.75% (after Kenya's 15% withholding tax), a Ksh 500,000 deposit grows to about Ksh 888,525 after 10 years — about Ksh 388,525 in interest, assuming daily compounding and no withdrawals.
Final balance
Ksh 888,525
1.78× your deposit
Deposited
Ksh 500,000
One-off, no withdrawals
Interest earned
Ksh 388,525
At 5.75% net p.a.
Year by year
vs keeping it in a bank savings account
The same Ksh 500,000 at Credit Bank's deposit rate of 12.68% would grow to about Ksh 1,765,088 over the same 10 years — that's -Ksh 876,563 less than Mayfair Money Market Fund.