Electra Company manufactures computers. Classify each of the following costs into one of the following categories as DM, DL, MO, or P. [DM DL MO P] Sales commissions for those selling computers. [DM DL MO P] Depreciation on factory building. [DM DL MO P] Wages of workers building the computers. [DM DL MO P] Soldering materials used in the assembly lines. [DM DL MO P] Salary for the night security guard at the factory. [DM DL MO P] Property taxes on the factory. [DM DL MO P] Production superintendent's salary. [DM DL MO P] Memory boards and chips used in the computers. [DM DL MO P] Depreciation on the factory equipment