How do you intend to handle uninvested cash? The big non-Vanguard players (Schwab, Fidelity) make up for their low nominal fund fees via Net Interest Margin on

How do you intend to handle uninvested cash? The big non-Vanguard players (Schwab, Fidelity) make up for their low nominal fund fees via Net Interest Margin on uninvested cash. Do you intend to offer market-rate interest on cash (e.g. $VMFXX), or take a significant cut there?