material put into production: rs120000, of which 80000 was considered direct material. factory labour cost for the period: rs 90000 of which 25000 was for indirect labour. factory over head cost for utility rs 40000. there were no beginning and ending wip selling and general and administrative exp rs 60000. units complete during period rs 10000. compute the following. 1. COGM 2. total cost of operation. 3 prime cost. 4. conversion cost. 5. product cost. 6. period cost. 7. unit cost