pls answer part B

QUESTION 2 (20 Marks) A handphone comany produces two types of phones, "smart" and "classic". The time required for each stage of production and maximum labour-hours available are given in the following table. The table also presents the selling prices of the two products. PART A: Determine how many units of each type of phones must be produced to maximize the total revenue. (fractional units allowed) [1] Number of Smart phones (2 mark) [2] Number of Classic phones (2 mark) [3] Maximum Revenue (1 mark) PART B: PART B: Suppose that a single order is received for 180 Smart phones, and if it is decided that this order must be filled, determine the new values below (fractional units allowed) [4] Number of Smart phones (2 mark) [5] Number of Classic phones (2 mark) [6] Maximum Revenue (1 mark)