Subtract. 36.503-4.09 31.603 31.63 32.413 32.44

To subtract $4.09$ from $36.503$, we need to align the decimal points and perform the subtraction.<br /><br />$36.503$<br />$-4.090$<br />$32.413$<br /><br />Therefore, the correct answer is $32.413$.