DC wants to build a new bypass between two major roads that will cut travel time for conmuters. The road will cost $$20,000,000$ and save $50,000$ people $$\frac{100}{?}$ year on gas. The road will need to be resurfaced every year at a cost of $$500,000.$ The road is to be used for $20$ years. The cost of money is $88.$

a$)$ Determine $\frac{B}{C}$ ratio

b$)$ Should DC buid the road? Explain.

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