$A+2\%$ grade intersects with a $-1\%$ grade at station $(535+24\mathrm{.}25)$ at an elevation of $300ft.$ If the design speed is $65m\frac{i}{h}.$ If the curve length is $579ft.$ The station and elevation of PVC are $532+34\mathrm{.}75,294\mathrm{.}21.$

Please find the Xhigh, the Yhigh, the station and elevation of the highpoint on the curve.

Xhigh $=386ft,$ Yhigh $=3\mathrm{.}86ft$

Xhigh$=183$ ft$,$ Yhigh$=3\mathrm{.}86$

Station of the highpoint $=536+20\mathrm{.}75$; elevation of the highpoint $=298\mathrm{.}07ft$

Station of the highpoint $=298\mathrm{.}07ft$; the elevation of the highpoint $=536+20\mathrm{.}75$

none of the listed

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