Hard Rock Hotel Choices

$\backslash$table$[[,,,$SITEY$],[$Current purchase price,$27,15,],[$Profits if airport and hotel built at this site,$45,30,],[$Sales price if airport not built at this site,$9,6,]]$

Hard Rock determines there is a $45\%$ chance the airport will be built at $x($hence$,$ a $55\%$ chance it will be built at $Y).$

Set up the decision table.

What should Hard Rock decide to do to maximize total net profit?

How much should Hard Rock be willing to pay for accurate information $($i$.$e$.$ What is the Expected Value of Perfect Information, EVPI?$)?$