*Please help with this problem. Can you please show your work so I can understand the answer. Thank you!!**

5. (5 points) Classify each of the following quality costs as Prevention (P), Appraisal (A), Internal Failure (IF) or External Failure (EX). Place the corresponding quality category letter (P, A, IF, EF) on the blank next to the cost listed below. Downtime due to quality problems Lost sales arising from a reputation for poor quality Audits of the effectiveness of the quality system Redesign of the manufacturing layout Warranty repairs 6. (4 points) Lee Manufacturing budgeted to sell 2,000 units in the current year. Fixed costs for the year are budgeted to be $300,000, the unit sales price was budgeted at $600, and unit variable costs are budgeted at $400 per unit. a. Calculate Switch Corp.s margin of safety (MOS) in sales dollars