Which one is the answer and WHY

Exhibit: Figure 8-5 Real GDP Panel - A Real wage Panel - B Price level Panel - C per year ( $) LRAS PF S 4300 4,000 60 000 15 A 3.500 40 D DO 10 4 3,000 20.000 0.5 90 100 110 120 90 100 110 120 3,500 4,000 4,500 Employment Employment Real GDP per year fouandily Dever Monandily DeverI In this exhibit (Figure 8-5), the economy could achieve its potential output at a price level-nominal wage combination of: Select one: O a. 1.5 and $60,000. O b. 1.0 and $50,000. O c. 1.0 and $45,000 X O d. 0.5 and $30,000