Pin Drop Technologies Inc. plans to manufacture and assemble 1,200 mobile phones in a just-in-time cell. Electronic parts are budgeted to cost $50 per phone. Using just-in-time costing, what entry should be made when just enough electronic parts are purchased to produce 1,200 mobile phone assemblies at $50 per phone? Materials inventory 60,000 Accounts payable 60,000 Work in process 60.000 Materials inventory 60.000 Raw and in process inventory 60,000 Accounts payable 60.000 o Raw and in process inventory 60,000 Materials inventory 60,000