QUESTION 2 a) You are analyzing an offeror's cost proposal. As part of the proposal the offeror shows that a supplier offered 5,000 units of a key part for Sh.60, 000. The same quote offered 4,000 units for Sh.50, 000. Calculate the apparent variable cost per unit. b) Spic& Span Ltd is estimating it's fixed and variable costs. The following costs were incurred in January 2022 when 320 homes were cleaned Cleaning supplies sh 3500 Hourly Wages 5000 Depreciation (cleaning machine) 800 Marketer's salary 2000 Insurance 500 Travelling allowance 1800 Rental expense 1000 Required: i) Determine the cost function; ii) If cleaning supplies increased with 10% of the total cost for the month, hourly wages reduced by 10% and fixed costs increased by sh 300, formulate the cost formula if 380 homes were cleaned. c) The following data relates to the repair cost incurred and the number of labor hours employed by Toyotsu Auto Garage in a given week r cost (shs)"000" er of labor hours employed Required: (i) (ii) (iii) (iv) (v) (vi) Create a cost estimation equation using Two-point method. Determine the total cost assuming that 27hrs were employed Estimate the number of labor hours associated with a total cost of sh 750 Repeat step (I) to (iii) using Scatter graph method Repeat step (I) to (iii) using Ordinary least squares method