In its first month of operations, blue spruce corp. made three purchases of merchandise in the following sequence: (1) 200 units at $5, (2) 600 units at $6, and (3) 145 units at $7. assuming there are 290 units on hand, compute the cost of the ending inventory under the (a) fifo method and (b) lifo method. blue spruce uses a periodic inventory system.

Your sister turned 35 today, and she is planning to save $60,000 per year for retirement, with the first deposit to be made one year from today. she will invest in a mutual fund that's expected to provide a return of 7.5% per year. she plans to retire 30 years from today, when she turns 65, and she expects to live for 25 years after retirement, to age 90. under these assumptions, how much can she spend each year after she retires? her first withdrawal will be made at the end of her first retirement year.