2. Edgen Murray is a distributor of carbon, chrome and alloy pipes. They would like to estimate sales levels for their welded sections for riser pipes. Using two-point method, they have observed that: a When the probability of stock out is 14%, the sales level is 7900 sections/week. - When the product availability is 90%, the sales level is 8500 sections/week. a) What is the estimated weekly sales if the probability of stock out is 10%? (5 point) b) What is the estimated weekly sales level if the probability of stock out is 12%? (5 points) c) What is the increase in weekly sales if the probability of stock out decreases by 1%? (5 points)