A business makes three plastic toys: Alpha, Gemma and Beta. sales and production data is as follows:

Products Alpha Gemma Beta

Sales demand 2500 3400 5100

Time required on moulding machine (hr) 1 1 0.5

Time required on packaging machine (hr) 0.5 1 0.5

All three products requires the use of two types of machines: moulding machine and packaging machine. Moulding machine has a total capacity of 8000 hours per year and packaging machine has a capacity of 5000 hours per year.

Which machine is a limiting factor ?

1. Moulding machine
2. Packaging machine
3. Both machine
4. None of the machine