Mars Ltd is a manufacturer of various types of furniture units. Recently one of its large customers. Zebra Ltd has offered a contract to Mars Ltd for the supply of 700 units. Below are the details for the production of each unit: Material requirements: 6 kg of Material A 4 kg of Material B Note 1: Currently 1,200 kg of Material A is held by the business and it is regularly used by the business. This material of was originally bought for 6 per kg. It would cost 12 per kg to replace it. Sales value is 11 per kg. Note 2: Currently 1,700 kg of Material B is held by the business. This material was originally bought for 24 per kg. The material is not currently used by the business and its scrap value is 9 per kg. The only foreseeable alternative use is as a substitute for material D (in constant use) but this would involve further processing cost of 5 per kg. The current buying cost of material D is 16 per kg. Replacement cost for material B is 18 per kg. Skilled labour: Each unit requires 5 hours of skilled labour. It is currently paid at a rate of 18 an hour and skilled labour is hired on a permanent basis. 1,700 hours can be provided by members of staff who currently have no work to do due to a quiet time. Only taking staff off other work can provide the remaining hours needed for this new project. This other work is charged out to customers at 70 an hour. Semi-skilled labour: Each unit requires 8 hours of semi-skilled labour. It is currently paid 9 per hour. If the required semi-skilled labour for this project is provided by the existing members of staff who are busy, the business will have to hire new employees at a rate of 14 per hour. Overheads: It is Mars's policy to charge a share of the general costs (rent, heating and so on) to each contract undertaken at the rate of 5 for each skilled labour hour used on the contract. If this project is undertaken, the general costs are expected increase by 3,300 as a result of undertaking the contract. Required Calculate the minimum price at which the contract could be undertaken by Mars Ltd. For each part. you should clearly show supporting workings and provide a brief explanation for your choice.(Total: 18 marks)