Accounting 2

I need explanation along with answers for both problems. I keep coming up with the wrong answer. Needed today 3/21/15.  Only respond if you can do by the date that I have given and can produce what I have instructed. I will not rate until I know it is correct.

1.     Sadowski Video Center accumulates the following cost and market data at December 31.

Compute the lower-of-cost-or-market valuation for Sadowski inventory.

2.     In its first month of operation, Kuhlman Company purchased 310 units of inventory for $8, then 410 units for $9, and finally 350 units for $10. At the end of the month, 380 units remained.
Compute the amount of phantom profit that would result if the company used FIFO rather than LIFO.