I got my E&O discount through one of my carriers, however it is good across the board. MGA offers discounts if you are with certain carriers.
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Dave020 is right on the money. MGA Insurance Services offers the same with Anthem.
I purchased mine through CNA/Marsh for $ 595, which covers Life, Health, Accident, and Fixed and Indexed Annuities.
They offer a monthly payment option, which is very nice.