The process cost summary summarizes: (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.) Physical flow of units. unanswered Equivalent units of production. unanswered Individual department's costs. unanswered Costs per equivalent units. unanswered Expenses incurred during the period. unanswered Assignment of total costs to units worked on in the period.