Constant returns to scale occurs at SRATC2 and SRMC2.

Diseconomies of scale occurs at SRATC3 and SRMC3.

Economies of scale occurs at SRATC1 and SRMC1.

All of the above.

. . . Refer to the figure below, which of the following is true? Cost Curves 11 9 LRATC 8 SRATC, SRATO3 SRMC 1 SRMC 3 J SRATO Per unit costs SRMC 2 W N O 2 3' 5 6 8 9 10 11 Quantity