Given is a

$\backslash$table$[[\backslash$table$[[$Payo$],[$ff$]],1,2,3,4,5,6,7,8,9,10,11,12,13,14],[$$$,2,5,-5,2,5,7,-2,3,4,5,5,-3,5,6]]$

a$)$ The value at node $4$ is Blank $1$

b$)$ The value at node $8$ is Blank $2($in $1$ decimal place$)$

c$)$ The best course of action or decision is to select alternative Blank $3$