Afirm called can't be stopped, won't be stopped uses process costing to determine the cost of inventory. all direct materials are added at the beginning of the process. last month, the firm's second department in the process, department b, had 1,000 units in bwip (50% complete with respect to conversion costs), completed 9,000 units, and had 500 units in ending inventory (25% complete with respect to conversion costs). the firm has the following costs in the wip-department b's t-account. direct materials conversion costs transferred-in costsbwip cost $25,000 $75,000 $150,000current period cost $275,000 $1,000,000 $1,250,000which of the following shows the conversion cost per equivalent unit rates using the fifo and weighted average methods (round rates to nearest cent if necessary)? a. weighted average: $113.16 conversion costs per equivalent unitfifo: $117.65 conversion costs per equivalent unitb .weighted average: $117.65 conversion costs per equivalent unitfifo: $113.16 conversion costs per equivalent unitc. weighted average: $117.81 conversion costs per equivalent unitfifo: $115.94 conversion costs per equivalent unitd. weighted average: $115.94 conversion costs per equivalent unitfifo: $117.81 conversion costs per equivalent unit