Please help me answer Part C below. Thank you!

* Photocopying machine broken; included as delay in the allowance factor ^ Power outage; included as delay in the allowance factor The allowance factor for this type of work is given to be 12%. (Round all intermediate calculations to two decimal places before proceeding with further calculations.) a) The normal time for the "prepare daily reports" operation = minutes (round your response to two decimal places). The normal time for the "photocopy results" operation = minutes (round your response to two decimal places). The normal time for the "label and package reports" operation = minutes (round your response to two decimal places). The normal time for the "distribute reports" operation = minutes (round your response to two decimal places). The normal time for the overall process = minutes (round your response to two decimal places). b) The standard time for this process = minutes (round your response to two decimal places). c) The number of observations that are required for a 90% confidence level within 5% accuracy = (round your response to the immediate higher whole number)