penile injections cost

Excelmale, I received bimix from my doctor who has his own lab to make it. I was told it's a 12.8mL vial of: 30 mg/cc Papaverine 3.3 mg/cc Phentolamine (I googled around a bit and haven't see anyone mix in this much phentolamine, so it's a high concentration) I paid $325 for it. I usually need...