"<span>New railroad lines across the Great Plains made it cheaper to ship cattle by rail" would be the best option, not only because of the reduced price, but because of the increased timing and efficiency. </span>
Consumer price index = (current price 2013/ base price 1969) x 100
where:
consumer price index2013 = 235
base price 1969 = $2500
Solution
current price 2013 = (consumer price index /100) x base price 1969
current price 2013= (235/100)x $2500
current price = $5875
The price of pontiac firebird in 2013 is $5875.