Cellphone manufacturing company ships about 10,000,000 phones a month. Company receives about 2500 cellphones returned for repair or replacements. Each cellphone has about 800 hardware components. Following is a breakdown of defects for 2500 defective cellphones. Defects Count Cracked screen 1200 Defective camera 454 No sound 220 Battery discharges quickly 645 Dead phones 50 Total defects.

Determine the following measures calculated month.