I'm having a hard time to understand, can someone help ?

Question 1 [10 points] Given the relationships between total product, marginal product, and average product in the graphs below. 5 'E o 3 5 a. B o. 3 E .c 0 1 0 Labour (workers per day) L on L _n N 0 5 'E o g 5 a E' '0 5 o. 3 '5 c O 10 12 14 Labour (workers per day) a) Select appropriate labels for the above shaded areas (A, B, C). Shaded area A (magenta) should be labeled as: Shaded area B (gray) should be labeled as: Shaded area C (cyan) should be labeled as: b) MP has its maximum point where? 0 Average product in graph (b) stops rising O The slope of the total product curve in graph (a) reaches its maximum 0 The slope of the total product curve in graph (a) is negative 0 The slope of the total product curve in graph (a) is zero 0 Total product curve in graph (a) reaches its maximum c) MP is zero when? O The slope of the marginal-product curve in graph (b) is zero 0 Total product in graph (a) begins to rise at an increasing rate Q Total product curve in graph (a) reaches its maximum 0 Average product in graph (b) stops rising O The slope of the total product curve in graph (a) is negative