on the contrary the facts of record bear out that awarding to the owners the compensation set by themselves in the amount of p300,000.00 ( pl10,000.00 more than the original amount asked by them and awarded by the lower court ) is a just and reasonable compensation , to wit , the property was bought in 1957 by defendants for p50,000.00 only and the value of their improvements thereon amounted to only pl,712.60 as of 1963 , it is certainly doubtful and contrary to experience that the property would increase in value over 12 times to p616,000.00 whereas the increase in 6 years to p300,000.00 as per the owners ' own valuation withou their having done anything to improve the property is quite an optimistic valuation ) ; the property is about six ( 6 ) kilometers away from the poblacion of bacnotan and when the government took possession of the same on may , 4 , 1963 , it was not accessible at all by motor vehicle and could be reached only by hiking through rice paddies , trails and creek ; that it was not fully developed with 95 hectares of pasture land and 70 hectares of forest land and an assessed valuation of p42,120.00 .