Runyon Inc The Company's Average Operating Assets Were $7,000,000

Runyon Inc. reported the following results from last year's operations: $\begin{array}{lr}\text { Sales } & \$ 16,800,000 \\\text { Variable expenses } & 12,230,000 \\\text { Contribution margin } & 4,570,000 \\\text { Fixed expenses } & 3,394,000 \\\text { Net operating income } & \$ 1,176,000 \\\end{array}$ The company's average operating assets were $7,000,000.
Last year's turnover was closest to:

A) 0.42
B) 14.29
C) 0.07
D) 2.40