StructureLite' manufacture and install space-frame canopy structures for the petrol retail sector. Early in 2009 they were successful in receiving a contract valued 69,750 which had been priced as follows: Work started on the contract in March 2009. At the end of March you are told that the project to date has used:- 80% of the direct raw materials with an actual cost of 23,600. 60% of the estimated manufacturing labour time at an actual cost of 3,200. 20% of the estimated installation labour time at an actual cost of 1,850 How much should be charged to the client for work completed in March 2009? Based on the costing method above, what is the profit variation on the work completed to date