The fixed costs of a project are $$28,000.$ The depreciation expense is $$9,000$ and the operating cash flow is $$12,000.$ What is the degree of operating leverage for this project?

Multiple Choice

$2\mathrm{.}50$

$2\mathrm{.}67$

$3\mathrm{.}00$

$3\mathrm{.}66$

$3\mathrm{.}33$