Please use Solver in excel to solve this question:

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A B D E F G A rock company uses five types of rocks to fill four orders. The phosphate content, availability of each type of rock, and the production cost per pound for each rock are listed below, as well as the size of each order and the minimum and maximum phosphate percentage in each order. What is the cheapest way to fill the orders? Rock type A B D E Cost $1.00 $5.00 $5.50 $2.00 $1.20 % phosphate 2.0% 5.0% 4.5% 3.0% 6.0% Amount 500 600 700 400 450 Order Size Min % phosphate Max % phosphate 500 3.5% 4.4% 2 600 3.8% 4.6% 3 500 4.0% 4.7% 4 350 3.6% 4.8%