I dont know how to go about this please help!

For a firm that uses the weighted average method of process costing, which of the following must be true? (a) physical units can be greater than or less than equivalent units. (b) physical units must be equal to equivalent units. (c) equivalent units must be greater than or equal to physical units. (d) physical units must be greater than or equal to equivalent units.

Suppose a starbucks tall latte cost $4.00 in the united states, 5.00 euros in the euro area and $2.50 australian dollars in australia. nominal exchange rates are .80 euros per dollar and 1.4 australian dollars per u.s. dollar. where does purchasing power parity hold? a. both the euro area and australia. b. neither the euro area or australia. c. the euro area but not australia. d. australia but not the euro area.

Which of the following is not a benefit typically offered by employers? a. health insurance b. vacation pay c. retirement plans d. guaranteed raises