A partially completed job cost sheet appears below. This is the only job in process at September $30,20$XX$.$

$\backslash$table$[[$Date$,$Direct Materials,Direct Labor,Overhead,Total$],[$Oct$.1,$$$1,000,$$$1,500,$$$1,200,],[$Oct$.15,$$$8,000,,,],[$Oct$.17,,$$$10,000,,],[$Oct$.28,9,000,,,],[$Oct$.31,,$$$8,000,,],[$Total$,,,,]]$

a$.$ What was the September $30,20$XX balance in Work In Process?

b$.$ What was the predetermined overhead rate in September if Overhead was applied on the basis of Direct Labor Cost?

c$.$ If this job remains unfinished at October $31,20xx,$ what will be the balance in Work in Process?