Which of the following current year events would explain a fall in a company’s operating p
A.An increase in gearing leading to higher interest costs
B.A reduction in the allowance for uncollectible receivables
C.A decision to value inventory on the average cost basis from the first in first out (FIFO) basis. Unit prices of inventory had risen during the current year
D.A change from the amortisation of development costs being included in cost of sales to being included in administrative expenses