Fifo and lifo costs under perpetual inventory systemthe following units of a particular item were available for sale during the year: inventory | 36 units @ $400sale | 24 units @ $1,000first purchase | 80 units @ $420sale | 60 units @ 1,000second purchase | 75 units @ $440sale | 55 units @ $1,000the firm uses the perpetual inventory system, and there are 52 units of the item on hand at the end of the year.
a. what is the total cost of the ending inventory according to fifo? b. what is the total cost of the ending inventory according to lifo?

Wilson center is a private not-for-profit voluntary health and welfare entity. during 2017, it received unrestricted pledges of $638,000, 65 percent of which were payable in 2017, with the remainder payable in 2018 (for use in 2018). officials estimate that 14 percent of all pledges will be uncollectible. a. how much should wilson center report as contribution revenue for 2017? b. in addition, a local social worker, earning $20 per hour working for the state government, contributed 600 hours of time to wilson center at no charge. without these donated services, the organization would have hired an additional staff person. how should wilson center record the contributed service?