Use the graph below to answer the following questions. 100 MC 90 80 70 60 ATC Price ($) 50 AVC 40 30 20 10 o O 0 4 8 12 16 20 24 28 32 36 40 44 Output (a) The shut-down point occurs where the price line is tangent to (Click to select) v at a price of $ (b) The break-even point occurs where the price line is tangent to (Click to select) vat a price of $