A consultant, after $3$ months of work, reported that the modified B$/$C ratio for a city$-$owned hospital heliport project is $1\mathrm{.}6.$ If the initial

cost is $$0\mathrm{.}9$ million and the annual benefits are $$135,000,$ what is the amount of the annual $M$&$O$ costs used in the calculation

report stated that a discount rate of $5\%$ per year and an estimated life of $50$ years were used.

The $M$&$O$ cost is $