kindly answer all questions with explaintion

A sheet metal workshop is required to produce a certain part. The expected annual plan is 90000 parts per annum. The production sequence of this part is as follows: shearing, punching, bending, and painting. O The shearing takes 12.456 min, 4.562 min for punching, 6.212 min for bending and 1.682 for painting. Plant operating time as follows: 12 hours/day, 6 days/week, 48 weeks/year (3x15 Minutes break & 1x30 Minutes Lunch Break) 1. What is the No. of machines required for each process to achieve the annual demand (90000 parts)? Hint. Rounding up of no. of machine is permitted. 2. What is the bottleneck operation/ machine? 3. What are the possible ways to improve bottleneck operation/ machine