Assuming that the egg white solution has a protein concentration of 15 mg/mL, calculate the volume of this solution needed to meet the guidelines for your sample. Assume you are required to use around 10 μL of your egg white solution to make your sample. Calculate by how much you have to dilute your egg white sample to meet this requirement.

a) 0.15 μL
b) 0.67 μL
c) 1.50 μL
d) 67 μL