Interest Is Big Valley's Only Fixed Cash Charge

Interest is Big Valley's only fixed cash charge.
Big Valley's market value of equity to book value of debt ratio = 1.5.

Altman's Z-score model is Z = 1.2X1 + 1.4X2 + 3.3X3 + 0.6X4 + 1.0X5.
X1 = Working Capital/Total Assets
X2 = Retained Earnings/Total Assets
X3 = EBIT/Total Assets
X4 = Market Value Equity/Book Value Long-Term Debt
X5 = Sales/Total Assets
Using the Altman's Z model,Big Valley's Z-score is

A) 3.22.
B) 2.88.
C) 2.65.
D) 2.11.
E) 1.85.