Question A4 Lupin Ltd. is a small carpentry firm. They are looking at pricing the following job to replace 10 doors in an office block - job number XY1234. . Each door will cost 56.25. It takes one skilled craftsmen 4.4 hours to fit each door and each skilled craftsman is paid 15.25 per hour. The variable overheads such as handles and fittings are 10 per door. Fixed overheads are charged at 5 per labour hour. The profit mark-up is 25%. (a) Using a cost-plus approach, calculate the selling price for quote XY1234. (b) Describe briefly three other approaches to pricing that Lupin Ltd. could use