I believe certainly at the independent retail level a lot of firearms dealers will ensure that for the purchase of a new firearm they have at least a minimal supply of ammunition in the right caliber for that firearm, so they can support their certainly that first buyers and their new customers coming into their store.
Take context from the input text and decide on the accurate relationship between 'minimal' and 'retail' from the options provided.
Options: platform, chief executive officer, industry, location of formation