1. What is hundred percent bonus plan? How do you compute it? (3) 2. In manufacturing industry, a daily wages rate guaranteed for worker is TK. 20 and standard output fixed for the month is 1000 articles, representing 100% efficiency. The daily wage rate is paid without bonus to those workers who show up to 76.667% efficiency standard. Beyond this there is bonus payable is a grade scale in a fixed ratio to the increased output as under: Up to efficiency Bonus payable 80% 10% 90% 15% Further increase of 1% for every 1% for the raise in more than 100% efficiency. Find out the earnings of A, B, C and D who have worked for 25 days in a month. Their output is A-500 articles, B-900 articles, C-1000 articles, and D-1100 articles. (7)