Compute the inventory at April 30 on each of the following bases. Assume that perpetual inventory records are kept in units only. (1) First-in, first-out (FIFO). (2) Last-in, first-out (LIFO). (3) Average-cost.(Round final answers to 0 decimal places, e.g. 6,548.)

Lincoln Corp.'s record of transactions concerning part X for the month of April was as follows.

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