The process of trying out a new product by independent users before it is finally manufactured/ developed is known as?
The correct answer is B
11, 1341, 3070, 5267, 8011, 11386
26, 38, 60, 110, 206, 398
21 32 54 86 131 186
...124, 128, 117, 135, 110, 146
12, 29, 64, 151, 322, 669
147 490 707 831 895 930
124, 186, 375, 930, 2790, 9765
224, 183, 144,115, 86, 63, 44.
76, 93, 112, 136, 156, 181
2, 6, 44, 462, 6930, 131670
