Wright corporation had the following information available for december of the current year: work in process, december 1 $20,000 materials placed into production, december 27,500 direct labor, december 37,500 plantwide overhead rate is 150% of direct labor costs. job cost sheets had the following balances: job z1 $32,500 job z2 55,000 job z3 35,000 job z4 18,750 jobs z3 and z4 were not completed at the end of december. what is the balance in work-in process for wright at the end of december? a.$56,250 b.$53,750 c.$85,000 d.$87,500