A study is made by the recording industry in the United States of the number of music CDs owned by 25 senior citizens and 30 young adults. The information is reported below. Seniors 28 35 41 48 52 81 97 98 98 99 118 132 133 140 145 147 153 158 162 174 177 180 180 187 188 Young Adults 81 107 113 147 147 175 183 192 202 209 233 251 254 266 283 284 284 316 372 401 417 423 490 500 507 518 550 557 590 594 a. Find the median and the first and third quartiles for the number of CDs owned by senior citizens. Develop a box plot for the information. b. Find the median and the first and third quartiles for the number of CDs owned by young adults. Develop a box plot for the information. c. Compare the number of CDs owned by the two groups.

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?

Describe a least two factors that a lender would consider if you applied for a business loan.

Yolo windows, a manufacturer of windows for commercial buildings, reports the following account information for last year (all costs are in thousands of dollars): information on january 1 (beginning): direct materials inventory $ 89 work-in-process inventory 111 finished goods inventory 1,620 information for the year: administrative costs $ 3,610 direct labor 12,900 direct materials purchases 8,210 factory and machine depreciation 11,720 factory supervision 774 factory utilities 940 indirect factory labor 2,880 indirect materials and supplies 688 marketing costs 1,480 property taxes on factory 282 sales revenue 45,800 information on december 31 (ending): direct materials inventory $ 94 work-in-process inventory 138 finished goods inventory 1,430 required: prepare an income statement with a supporting cost of goods sold statement. (enter your answers in thousands of dollars (i.e., 234,000 should be entered as