How would estimation bias affect these 3 companies?

Three organisations are involved in the production of software and have been measuring their project development performance over a period of 5 years. Each organisation made an estimated timescale for each project The results are shown in Table 1. Organisation Year 1 Year 2 Year 3 Year 4 Year 5 Company A 45 50 45 50 80 Company B 79 98 95 96 95 Company C 20 22 23 14 22 Table 1 Percentage of projects completed within time schedule with all features implemented The EQF for organisation A is 10.5 and for organisation B is 2.2 and organisation C is 8.8 (c) How would estimation bias effect the figures shown in Table 1? [4 Marks]