Assume we bought an identical item at 3 different prices as follows:

March 1--$100

April 1--$108

May 1--$113

Now assume we sold this item for $135

Find the gross profit assuming we used the following inventory valuation methods. Also, assume we sold the April 1 item when using Specific Identification. _________Specific Identification, __________FIFO, __________LIFO, and __________Weighted Average.