The interaction of the provider<span style="color:#ff0000;"><b>S</b></span>' supply and the user<span style="color:#ff0000;"><b>S</b></span>' demand determine<span style="color:#ff0000;"><b>S</b></span> the cost of money.<br/><br/>Could you please tell me how to pronounce these 'S' capitaled, bold and colored above? Thank you very much.