The budget of the new online inventory tracking system is $650,000, which includes $80,000 in contingency reserves, but excludes $70,000 in management reserves. What is the rough order of magnitude estimate for this project, considering the rough order to (+) 50% to (−)50%
a. $125,000 to $500,000
b. $360,000 to $1,080,000
c. $325,000 to $1,300,000
d. $325,000 to $1,250,000
e. $325,000 to $975,000