The walker corporation completed the following transactions for the month: (a) owners begin company by investing $60,000, (b) borrowed $12,000 from a bank, (c) purchased $9,000 of inventory, (d) sold all of the inventory to customers for $15,000, (e) paid $2,000 for advertising and (f) purchased $8,000 of equipment. based on these transactions, what is the total amount of assets the company has at the end of the month?