Runge Company purchased machinery on January 1 at a list price of $300,000, with credit terms 2/10, n/30. Payment was made within the discount period. Runge paid $15,000 sales tax on the machinery and paid installation charges of $5,300. Prior to installation, Runge paid $12,000 to pour a concrete slab on which to place the machinery. What is the total cost of the new machinery?