What is the oxygen binding capacity of hemoglobin in a blood sample that is $100 \%$ saturated with $\mathrm{O}_{2}$ and has a total hemoglobin value of $12 \mathrm{~g} / \mathrm{dL}$
a. $17 \mathrm{~mL} \mathrm{O}_{2} / \mathrm{dL}$
b. $4 \mathrm{~mL} \mathrm{O}_{2} / \mathrm{dL}$
c. $8 \mathrm{~mL} \mathrm{O}_{2} / \mathrm{dL}$
d. $34 \mathrm{~mL} \mathrm{O}_{2} / \mathrm{dL}$