The Postal Regulatory Commission (PRC) has approved the price changes that USPS proposed in October which means the cost of a First Class Mail Forever stamp will be 50 cents, come Jan. 21.

The changes approved by the PRCwill raise mailing services product prices approximately 1.9 percent, while most dhipping dervices products will average a 3.9 percent price increase.

Here are the current and new prices, which will take effect Jan. 21:

• Letters (1 ounce): 49 cents (current), 50 cents (new)
• Letters (additional ounces): 21 cents (no change from current price)
• Letters (metered): 46 cents (current), 47 cents (new)
• Outbound international letters (1 ounce): $1.15 (no change from current price)
• Domestic postcard stamps: 34 cents (current), 35 cents (new)
• Small flat-rate box: $7.15 (current), $7.20 (new)
• Medium flat-rate box: $13.60 (current), $13.65 (new)
• Large flat-rate box: $18.85 (current), $18.90 (new)
• Army/Air Post Office and Fleet Post Office large flat-rate box: $17.35 (current), $17.40 (new)
• Regular flat-rate envelope: $6.65 (current), $6.70 (new)
• Legal flat-rate envelope: $6.95 (current), $7 (new)
• Padded flat-rate envelope: $7.20 (current), $7.25 (new)

The PRC approved the increases just days ahead of an announcement by the Postal Service that it had a net loss of $2.7 billion for FY 2017.The loss is a slight improvement over the previous fiscal year in which it lost more money: $2.8 billion.

Prices are expected to increase again in 2019.