Accounting procedures allow a business to evaluate theirinventory at LIFO (Last In First Out) or FIFO (First In First Out).A manufacturer evaluated its finished goods inventory (in $thousands) for five products both ways. Based on the followingresults is LIFO more effective in keeping the value of hisinventory lower?Product FIFO (F) LIFO (L)1 225 2212 119 1003 100 1134 212 2005 248 245The 5% level of significance was selected for the t value. Thisexample is what type of test?A. Test of proportions.B. Paired t-test.C. Two sample test of means.D. One sample test of means.