The Following Estimated Regression Equation Was Developed Relating Yearly Income

Multiple Choice

The following estimated regression equation was developed relating yearly income (y in $1000s) of 30 individuals with their age (x₁) and their gender (x₂) (0 if male and 1 if female) . ​ = 30 + .7x₁ + 3x₂​
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Also provided are SST = 1200 and SSE = 384. The estimated income (in $) of a 30-year-old male is

A) $51,000.
B) $21.
C) $90,000.
D) $51.