Calculate problems per user month, there were 4 true defects, 8 usability problems, 4 unclear information, 4 duplicates of valid defects and 5 user errors reported over the period of 3 months. After two months there were 3 true defects, 9 usability problems, 5unclear information, 6 duplicates of valid defects and 7 user errors reported. After calculation write your analysis.