A jewellery company makes rings (R) and necklaces (N).
The resources available to the company have been analysed and two constraints have been identified:
Labour time 3R + 2N ≤ 2,400 hours
Machine time 0.5R + 0.4N ≤ 410 hours
The management accountant has used linear programming to determine that R = 500 and N = 400.
Which of the following is/are slack resources?
1. Labour time available
2. Machine time available
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2