$!!!!!!!$######## Problem $09\mathrm{.}020$ Benefit$/$Cost Analysis of a Single Project

A consultant, after $3$ months of work, reported that the modified B$/$C ratio for a city$-$owned hospital heliport project is $1\mathrm{.}8.$ If the initial cost is $$2\mathrm{.}1$ million and the annual benefits are $$815,000,$ what is the amount of the annual M&O costs used in the calculation? The report stated that a discount rate of $7\%$ per year and an estimated life of $30$ years were used.

The M&O cost is $te of $18\%$ per year and an estimated life of $30$ years were used.

The M&O cost is $$\_\_\_\_\_$