Question 1 The following transactions relates to the record of T. Smith for the six months ended October 31 2007. There was an opening balance of 100 units which had a value of $4500. NB. Calculate Opening Balance cost per unit before you proceed. a. From the information given above use the FIFO, LIFO, and AVCO, methods for pricing issues. b. Prepare in columnar format, the trading account for the period, showing the gross profit, using the LIFO, FIFO, and AVCO methods of pricing issues