Please show your work and explain on how to obtain the answers. (Show calculations please). Thanks

Brown Hats Corporation produces and sells a variety of brown-coloured hats. For one such hat, the following information is available regarding input requirements for a single 'saleable' hat: Fabric is purchased in batches of 100 rolls; each roll is 50 feet long and 3 feet wide. Tv lots in every batch are defective and therefore unusable. Metal is purchased in rolls that are 1 kilogram in weight; normally, the first and last grams are unusable. Buckles are purchased in bulk and are always usable. Strap is purchased in rolls of 500 feet length; normally, the first and last 6 inches a unusable. For every 50 good (saleable) hats produced, there are three defective hats. The ideal standard per hat for fabric is a. 2 square feet b. 2.16 square feet c. 2.04 square feet d. 2.12 square feet e. None of the above The proportion of defective metal is a. 2% of the quantity purchased b. 5% of the quantity purchased c. 5% of the quantity used d. 6% of the quantity purchased e. 2% of the quantity used The practical standard per hat for strap is a. 6 inches b. Approximately 6.37 inches c. Approximately 6.15 inches d. Approximately 6.52 inches e. None of the above The proportion of defective hats is a. Approximately 5.7% of total production b. 6% of saleable production c. Approximately 5.7% of saleable production d. Both A and B are true e. Both A and C are true