In the circuit shown below, given $V_{DQ} = 0.7V$, $R_1 = 1K\Omega$, $R_2 = 6K\Omega$, and $R_3 = 3 K\Omega$, then the diodes operating currents $I_{D1}$ and $I_{D2}$, respectively, are equal to:
a. 2.9444 mA, 2.5519mA
b. 0.9444 mA, 0.5519mA
c. 4.9444 mA, 4.5519mA
d. -1.0556 mA, -1.4481mA