Total Product	TC	MC
0	$200	-
20	$240	$2
44	$279.84	$1.66
70	$319.90	$1.54
94	$360.02	$1.67
114	$399	$1.94
118	$438.96	$9.99

Total Product	AFC	AVC	ATC
0	$200	$0	$200
20	$10	$2	$12
44	$4.55	$1.81	$6.36
70	$2.86	$1.71	$4.57
94	$2.13	$1.70	$3.83
114	$1.75	$1.75	$3.50
118	$1.69	$2.03	$3.72

How many lawns should be cut during each day by Lisa' business to minimize its average total cost or operate most efficiently?