13. [Answer Only) Which of the following is combination of cost terms that correctly go in the blanks? (4 points) (a) (b) is the assignment of direct costs to the chosen cost object. is anything for which a cost measurement is desired. can be traced to a particular cost object in an economically feasible way. (c) (a) 1 Cost assignment Cost assignment Cost tracing Cost tracing Cost accumulation (b) Cost pool Cost object Cost object Cost behavior Cost pool (c) Indirect cost Indirect cost Direct cost Direct cost Indirect cost 3 4 5