Not everthing always goes up on price. Look at computers or any other electonic items.
I bought a 486 DX4 in 1994 that ran at the "screaming" speed of 100 MHz. It was so fast that a lot of the applications that were written for the previous generations of the x86 chipsets would not run correctly. But by todays standard, I think my dishwasher has a faster processor than that 486 did.
Cost of that 486 DX4 in 1994? $4800 (monitor sold seperately).
My point being that as the efficiencies of manufacturing a product improve, the over all cost will go down. Not to mention, the ball companies are causing the prices to fall just by the shear number of balls being released.
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