Which one of these is symbolized by the term ACA[X1,0]? Multiple choice question. The actual total costs to firm A of producing product 1 but none of product 2 The average cost to firm A of producing product 1 but none of product 2 The actual total costs to firm A of producing the same amounts of products 1 and 2 The average cost of producing the same amount of products 1 and 2 by firm A