calculate the gross profit percentage ellall Department Stores reported the following amounts in its adjusted trial balance prepared as of its December 31 year-end: Administrative Expenses, $2,100; Cost of Goods Sold, $21,060; Income Tax Expense, $2,930; Interest Expense, $1,500; Interest Revenue, $180; General Expenses, $2,300; Sales Revenue, $39,000; Sales Discounts, $1,950; Sales Returns and Allowances, $1,755; and Delivery (freight-out) Expense, $270.

You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i.e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?