Assume that Tim Horton's needs to change its business structure in light of the COVID-19 pandemic. Answer the following questions. The run is the time frame in which the quantity of at least one factor of production is fixed. The run is the time frame in which the quantities of all factors of production can be varied. Tim Horton's will make a short-run change when it wants to Time Horton's will make a long-run change when it wants to O A. increase sales without changing its sunk costs; increase sales by changing its sunk costs O B. make a change that it will reverse in the near future; make a change that is permanent O C. lower its fixed costs; lower its variable costs O D. buy new plant, change the size of its labour force Economies of scale occur when features of a firm's technology make average total cost as output increases. Tim Horton's experiences economies of scale when it produces on the portion of its LRAC curve. A. rise; downward-sloping O B. fall; downward-sloping O C. rise; upward-sloping O D. fall: upward-sloping ASUS ESC F2 F3 F4 F5 F6 F8 FO Echapp Jill O- Le @ # & 2 3 A @ Q W E R Y U Caps Lock Verr.Maj. A S D F G H