Please help me check my work on these problems

Three products result from a joint production process. There are 50 units of product B158, 100 units of product B159, and 50 units of product B160. Using the physical units method, what percent of the joint costs will be allocated to product B158? A) 25% B) 33% (rounded) C) 50% D) 75% E) none of the above Bear Company had the following data for UBS production for January (output is measured in number of tests): units started, 40,000; units completed, 30,000; and units, ending work in process ( 25% complete), 10,000 . There were not beginning work-in-process units. The number of equivalent units are A) 17,500 B) 30,000 C) 32,500 D) 40,000 E) none of the above For the month of January, Polar Company incurred total production costs of $750,000 for processing CSC tests and had the equivalent units schedule: units completed, 30,000; and units, ending work in process 7,500(10,000 whole units that were 75% complete). The cost of tests completed is , and the cost of EWIP is A) $400,000;$350,000 B) $500,000;$250,000 C) $600,000;$150,000 D) $700,000;$50,000 E) none of the above