If S

1.	If S
A.	<table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">S<sub>2</sub></td></tr><tr><td style="text-align: center;">4</td></tr></table>
B.	<table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">S<sub>2</sub></td></tr><tr><td style="text-align: center;">2</td></tr></table>
C.	<table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">S<sub>2</sub></td></tr><tr><td style="text-align: center;">3</td></tr></table>
D.	S
E.	<sub>2</sub>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">S<sub>2</sub></td></tr><tr><td style="text-align: center;">3</td></tr></table>

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