Answer:
Option D is correct
Equivalent units
Material cost  = 122, 500
Conversion cost = Â 112,000
Explanation:
Equivalent units = Units × degree of completion(%)
Material cost
Item                Unit               Equivalent units
transferred out   100,000    100,000× 100%  = 100,000
Closing inventory  30,000    30,000   75%   =  22,500
Equivalent unit                               122,500
Conversion cost
Item                Unit               Equivalent units
transferred out   100,000    100,000× 100%  = 100,000
Closing inventory  30,000    30,000  ×  40%   =  12,000
Equivalent unit                               112,000
Equivalent units
Material cost  = 122, 500
Conversion cost = Â 112,000