Use the information from the table below:

$\backslash$table$[[$Cost Pool,Total Cost,Allocation Base,Units$],[$A$,$$$200,000,$# direct labour hours,$25,000],[$B$,$$$100,000,$# purchase orders,$4,000],[$C$,$$$50,000,$# setups,$1,000],[$D$,$$$80,000,$# machine hours,$10,000]]$

A job required $400$ machine hours. How much cost from cost pool $"$D$"$ was allocated to this job?

a$.$ $$200$

b$.$ $$32,000$

c$.$ $$2,000$

d$.$ $$3,200$