Which one of the following is likely to be a direct cost when the cost object is a smartphone a. The depreciation cost of the factory machinery O b. The cost of the factory manager c. The cost of assembly workers d. The utility cost of the factory e. The cost of maintenance for machines ? Which one of the following is not likely to be a cost driver a. None of the given answers b. Units produced c. Machine hours d. Retail price e. Kilo meters