For the multi$-$fluids tank shown below, the attached pressure gage at point $Y$ reads:

a$.P_{Y,\text{g}\text{a}\text{g}\text{e}}=P_{\text{v}\text{a}\text{c}}$

b$.P_{Y,\text{g}\text{a}\text{g}\text{e}}={}_{1}g{Z}_1+{}_{2}g{Z}_2+{}_{3}g{Z}_3-P_{\text{a}\text{t}\text{m}}$

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c$.P_Y,$ gage $=101$kPa

d$.P_{Y,\text{g}\text{a}\text{g}\text{e}}=0$kPa

e$.P_Y,$ gage $=P_{\text{a}\text{t}\text{m}}$