The quote includes machine set-up and I am not sure if they have to do multiple machine loads. None of the pieces exceed 1’x1’ so they should fit on a bed the size of the cutter at VHS.
The pieces are fairly simple (basically square) but do require a !table-saw to cut.
Assuming the material is the same cost as what Big_Mak bought ($3.75/sqr ft) the material should cost $18.75. Pad that by 100% for mark-up and waste, material cost is $38.
Assuming the pieces are rectangular and all the same size, they will have an area of 0.025sqr meters and a perimeter of 63.2cm. The total tool path is 12640mm. Assuming the cut speed is 25mm/sec, the cut time will be 500 seconds (~8.5 min). If the laser cost/min is $3 the cut cost will be $26, which is $52 with padding.
If we allow for an additional charge of $100 for set-up fees and taxes and stuff, the bill should be ~$190.
you could alternatively procure the material yourself from IPP, and try different laser cutting places. But from the sounds of it makerlabs will be your best bet