Eight-elevenths of Jesse Black's inventory was destroyed by fire. He sold the remaining part, which was slightly damaged, for one-ninth of its value and received $3900. (a) What was the value of the destroyed part of the inventory? (b) What was the value of the inventory before the fire? (a) The value is (Round to the nearest cent as needed.) (b) The value is $7 (Round to the nearest cent as needed.)