The following production, costs, and activities occurred during the month of April: Required: a. Calculate the total manufacturing costs and the cost per unit produced and tested during the month of April for HealthTech. Note: Round "Cost per unit" to 2 decimal places. b. Which of the following are the advantages of the ABC approach relative to using a single predetermined overhead application rate based on direct labor hours. (Note: You do not have to calculate the overhead that would be applied for the month of April using this alternative method.) Note: 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. ABC does not help in decision-making. ABC systems produce more accurate financial information. ABC approach is likely to provide better information to manufacturing managers. ABC helps in decision-making. ? ABC systems produce more accurate product costing information