For the net cash flows and cumulative cash flows shown, the value of $x$ is:

$\backslash$table$[[$Year$,1,2,3,4,5],[$NCF$,$ $$,+13,000,-29,000,-25,000,x,-8000],[$Cumulative$,+13,000,-16,000,-41,000,+9000,+1000],[$NCF$,$ $$,,,,,]]$

Select one:

a$.$ $$16,000$

b$.$ $$36,000$

c$.$ $$7000$

d$.$ $$50,000$