6. (15) What is the estimated cost of a factory with 200,000 sq. ft. of work space if it costs $2 million to produce a factory with 150,000 sq. ft. of work space and the economies of scale exponent X in the cost ratio estimation equation is 0.85? Your answer is most nearly? a. $2.0M b. $2.25M c. $2.50M d. $2.75M e. $3.0M