Solve the Problem $\mathrm { y } = \frac { 8.5 \mathrm { x } } { 100 - \mathrm { x } }$

Multiple Choice

Solve the problem. Round to two decimal places unless otherwise indicated.
-Suppose a cost-benefit model is given by $\mathrm { y } = \frac { 8.5 \mathrm { x } } { 100 - \mathrm { x } }$ , where $\mathrm { y }$ is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing $55 \%$ to the nearest dollar.

A) $\$ 10,389$
B) $\$ 1222$
C) $\$ 4675$
D) $\$ 8500$