Ferris Company began January with 7,000 units of its principal product. The cost of each unit is $7. Merchandise transactions for the month of January are as follows: Purchases
Date of Purchase Units Unit Cost* Total Cost
Jan. 10 6,000 $8 $48,000
Jan. 18 7,000 9 63,000
Totals 13,000 111,000

Includes purchase price and cost of freight.

Sales
Date of Sale Units
Jan. 5 3,000
Jan. 12 1,000
Jan. 20 4,000
Total 8,000

12,000 units were on hand at the end of the month.

Required:
a. Calculate January's ending inventory and cost of goods sold for the month using FIFO, periodic system.
b. Calculate January's ending inventory and cost of goods sold for the month using each of the following alternatives:

1. FIFO, periodic system.
2. LIFO, periodic system.
3. LIFO, perpetual system.
4. Average cost, periodic system.
5. Average cost, perpetual system.

Suppose a ceiling fan manufacturer has the total cost function c(x) = 48x + 1485 and the total revenue function r(x) = 75x. (a) what is the equation of the profit function p(x) for this commodity? p(x) = (b) what is the profit on 35 units? p(35) = interpret your result. the total costs are less than the revenue. the total costs are more than the revenue. the total costs are exactly the same as the revenue. (c) how many fans must be sold to avoid losing money? fans

Acompany is developing a new high­performance wax for cross country ski racing. in order to justify the price marketingwants, the wax needs to be very fast. specifically, the mean time to finish their standard test course should be less thanseconds for a former olympic champion. to test it, the champion will ski the course 8 times. the champion's times(selected at random) are 59.9 61.9 48.8 52.2 46.6 45.3 50.6 and 41.1 seconds to complete the test course. complete parts a and b below.a) should they market the wax? assume the assumptions and conditions for appropriate hypothesis testing are metfor the sample.assume=0.05. what are the null and alternative hypotheses? choose the correct answer below.b) suppose they decide not to market the wax after the test, but it turns out that the wax really does lower the champion'saverage time to less thanseconds. what kind of error have they made? explain the impact to the company of such anerror.

Inventory by three methods; cost of goods sold the units of an item available for sale during the year were as follows: jan. 1 inventory 20 units at $1,800 may 15 purchase 31 units at $1,950 aug. 7 purchase 13 units at $2,040 nov. 20 purchase 16 units at $2,100 there are 18 units of the item in the physical inventory at december 31. determine the cost of ending inventory and the cost of goods sold by three methods, presenting your answers in the following form: round your final answers to the nearest dollar. cost inventory method ending inventory cost of goods sold a. first-in, first-out method $ $ b. last-in, first-out method $ $ c. weighted average cost method $ $