please assist

A brass manufacturer makes three different type of wholesale brass blocks from oopper and zinc aocordinrg to the following matrix. Brass Blends High brass Muniz metal Gilding metal Copper 55 % 50 913 95 97: Zinc 35 % 40 913 5 97:1 In addition, the demand [in thousands of pounds] from Plant 1 is 12 High Brass, 5 Muntz metal, and 32 Gilding metal, and the demand from Plant 2 is is 9 High Brass, 5 Muniz metal, and 23 lGilding metal. a] Make a 2 x 3 matrix B that oontains the blending information in decimal form. :1 |:| b} Make a 3 X 2 matrix D for the demands at each plant. Plant 1 demands should be entered in oolunn 1. c} Find the matrix product to find each locations need for each type of metal. NW NW W d} if the price of zinc is $0.38 per pound and the price of oopper is $3.18 per pound. The total cost of Plant 1 is [:1 The total cost of Plant 2 is [:1