18. Prepare journal entries for a process costing system. a. ABC Manufacturing produces plastic widgets in a two-stage process. ABC purchased liquid plastics for $5,000 on account from a supplier. What journal entry is required? b. $3,000 of the plastic was used in production in Department 1. What journal entry is required? I C. $1500 of direct labor was used Department 1. What journal entry is required? d. $1200 of Indirect labor was used during the month. What journal entry is required? e. $800 of overhead costs were applied to the units in Department 1. What journal entry is required? f. The units were transferred to Department 2. What journal entry is required? g. $500 of direct labor was used in Department 2. What journal entry is required? h. The units were completed and transferred out of Department 2. What journal entry is required? i. The units were sold for 25% above cost. What entries are required