RF::Items : Lottery Box × 3.79 USD 
RF::Items : Mineral Exploding Vulcan Magazine × 1.39 USD 
RF::Items : Instant Insuperable Summon Potion*2 × 0.77 USD 
RF::Items : Superior Lucky Box × 6.40 USD 
RF::Items : Celebration Lucky Box of Partial Commercialization × 1.39 USD
Sum: 13.74 USD.