The market value of an 18-year zero-coupon bond with a maturity value of $1,000 discounted at a 12% annual interest rate with semi-annual compounding is closest to:'

Problem page a medical equipment industry manufactures x-ray machines. the unit cost c (the cost in dollars to make each x-ray machine) depends on the number of machines made. if x machines are made, then the unit cost is given by the function =cx+−0.3x2126x31,935 . how many machines must be made to minimize the unit cost?

How is challah bread made? if i have to dabble the recipe?

When a market is in equilibrium, the buyers are those with the willingness to pay and the sellers are those with the costs.