SOME PRIOR RATES FOR DOMESTIC  FLATS (LARGE ENVELOPES)
J.I.Nelson, Ph.D. (Piled Higher & Deeper)

After 12May08, it went up 3¢ to 83¢  and incrementing 17¢; 13oz is $2.87
After 11May09, it went up 5¢ 
After  17Apr11, is incremented 20¢ /oz instead of just 17¢
After  22Jan12, it went up 2¢
After  27Jan13, it went up 2¢; 13 oz is $3.32
After  26Jan14, it went up 6¢; 13 oz is $3.38
After  26Jan14, is incremented 21¢/oz instead of just 20¢; 13 oz is $3.50
After  31May15, is incremented 22¢/oz instead of just 21¢; 13 oz is $3.62
After  10Apr16, reduced 4¢ on 1st oz & incrementing 21¢ again, not 22¢; 13 oz is $3.46
   
           Note that $3.46 does not roll us back to any price we ever had before.
          The per-ounce increment was rolled back exactly, but the starting cost is arbitrary.

After 22Jan17, it went up 4¢, starting at $0.98, still incrementing 21¢, 13 oz is $3.50.
After 21Jan18, it went up 2¢, starting at $1.00,  still incrementing 21¢, 13 oz is $3.52.
After 27Jan19, it still started at $1.00, and increments decreased to 15¢; 13 oz is $2.80.
After 26Jan20, it still started at $1.00,  increments went up to 20¢, so 13 oz is $3.40
On     3Oct2021, the staring price increased to $1.16, still incrementing 20¢/oz, so 13oz is $3.56.



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Rev   6Mar2020