Mingua Beef Jerky Mild 4 Pack (4-3.5Oz Packages 14Oz Total)

Is this teriyaki?

How is the mild stored and good for how long?

I noticed that the packaging changed recently. The flavor seems similar, but there is less protein per serving. Is it being dried less now?

Is the $11.99 price for the 7 oz or the 3 1/2 oz pkg