6. Nitro Limited manufactures a product by processing raw material through two processes. The output of Process Y is passed to Process Z where further material is added to the mix. You have been provided with the following information, which relates to Process Z for May of 2019: Opening work-in-process: 7,800 units at a value of $208,455 Transfer of materials from Process Y: $113,100 100% complete Added materials: $ 38,259 90% complete Conversion costs: Costs incurred during May 2019: $ 57,096 60% $208,455 Transfer of materials from Process Y: $343,650 Added materials: $128,511 Conversion cost: $294,264 $766,425 During May 2019, 27,000 units were transferred to finished stock. Closing work-in-process: 4,500 units were in process at 31 May 2019 of which materials transferred from process Y was 100% complete, added materials 80% complete, and the conversion cost 40% complete.