What are the hourly rates for loading/unloading and packing/unpacking?

a) $120 for loading/unloading, $60 for packing/unpacking
b) $60 for loading/unloading, $120 for packing/unpacking
c) $80 for loading/unloading, $100 for packing/unpacking
d) $100 for loading/unloading, $80 for packing/unpacking