. b) Transform the model in Problem (a) into a standard form. Marks) c) Indicate profits made at extreme points of the feasible solution region. Marks) [3 d) Determine the values of the slack variables at the optimal solution point. Marks) (2 N 4 W Edit with WPS Office ORS311T - 2021-S2 a) Thulani Technologies branded T&T, a phone accessory company produces phone pouches and screen guards. T&T has only 100hours monthly for production. Each phone pouch takes 4hours to produce, and a unit of screen guard requires 5 working hours. The company has 80m store space. Each unit of phone pouches requires 3m and a unit of screen guard protector requires Sm with anti-tamper packaging. If T&T makes profit of R120.00 on a unit of phone pouch and the profit of R2300.00 on each screen guard, how many units of both products will T&T make to maximize profit? i. Formulate a linear programming model for this problem. [6 Marks) [10 Graphically solve the linear programming model in (). Marks]