Given:
retail price: 5,000
manufacturer price: 1,687.50
distributor has mark-up of 25%
Flow of the product:
manufacturer ↔ distributor ↔ retailer ↔ customer
1,687.50 * 1.25 = 2,109.38 distributor price
5000 - 2,109.38 = 2,890.62
2,890.62 / 2,109.38 = 1.37
1.37 x 100% = 137%
The retail markup percentage is 137%.