Nalda Inc. produces a single product and uses a job costing system to assign overhead costs. Currently, the company uses a predetermined overhead rate based on direct labour hours. For 2023 , the company estimated that overhead would be $180,000 and the company would used 12,000 direct labour hours. Management is considering implementing an activity-based costing (ABC) system and subsequently gathered the following estimated information for 2023: In March, management was asked to bid on a proposed job. Bids are based upon full manufacturing cost plus a markup of 50\%. To develop a bid, the company's accountant gathered the following data pertaining to the proposed job: Required: (A) Using the existing costing system based on direct labour hours, compute the predetermined overhead and determine the bid price of the proposed job. (B) Compute the overhead rates using ABC and determine the bid price of the proposed job using ABC. (C) Compare the bids computed using the existing costing system and ABC and discuss the differences between the two methods shown here of assigning overhead costs to jobs