Invest Ksh 500,000 in Old Mutual MMF for 1 years.
At Old Mutual Money Market Fund's current net yield of 8.21% (after Kenya's 15% withholding tax), a Ksh 500,000 deposit grows to about Ksh 542,777 after 1 year — about Ksh 42,777 in interest, assuming daily compounding and no withdrawals.
Final balance
Ksh 542,777
1.09× your deposit
Deposited
Ksh 500,000
One-off, no withdrawals
Interest earned
Ksh 42,777
At 8.21% 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 567,218 over the same 1 year — that's -Ksh 24,440 less than Old Mutual Money Market Fund.