can someone answer this question please

$ The following data show the total output for a firm when different amounts of labour are combined with a fixed amount of capital. Assume the wage per unit of labour is $10 and the cost of the capital is $50. Total output per period 0 Labour per period 9 0 10 1 30 2 3 90 132 4 150 5 The average total cost when producing 150 units of output is approximately... a. 33 cents. b. 67 cents c. 40 cents d. $1.50 e 80 cents BO