54. You are the Quality Manager of your company. Your secretary types 200 reports written by you and made up of 500 words each month. You noticed two types of defects and the number of occurrences Is. Misspelled words: 10 8 Typographical errors: 56 Lotal number ot detects: 66 Calculate: a. Defects per Unit (DU) b. Detects per unit opportunity (DO) c. Detect per million opportunities (DPMO) d. Part per million detect rates (PPM) e. What is the sigma Quality Level (SOL) of the secretary