28 . A public limited company , Cromwell Dairy Products , produces milk on its farms . As of January 1 2014 Cromwell has a stock of a 1 050 cows ( average age , 2 years old ) and 150 heifers average age 1 year old ) . Cromwell purchased 375 heifers , average age 1 year old , on July 1 , 2014 . No animals were born during the year . The unit values less estimated cost to sell were 1 - year old animal at December 31 , 2014 P3.200 2 - year old animal at December 31 , 2014 4.500 1 5 - year old animal at December 31 , 2014 3.600 3 - year old animal at December 31 , 2014 5000 1 - year old animal at Jan . 1 2014 and July 1 2014 3. 000 2 - year old animal at January 1 , 2014 4.000 The increase in value of biological assets in 2014 due to physical change is A. P870 000 B . P 720.000 C. P 590.000 P 780.000