Question 25 Not yet answered Marked out of 1.00 V Flag question A firm has the following cost function, C = 250 + 0.5x which relates the number of units of an output produced (x) and the cost of producing given quantities of output (C). Cost is measured in thousands of dollars while output is measured in thousands of units. Given the above equation the cost of producing 1000 more units of output is: O a. $1000 0 b. $250,500 0 c. $500 0 d. $250.50