There is a speed link from R1 and R3 a 64 Kbps get to the 10.0.0.0/30 network. The cost of the cost of the 64 Kbps link is 1562 (100,000,000 / 64,000). 64 + 1562 = 1626 total cost of the route from R1 to 10.0.0.0. The router to the 10.0.0.0 network via R3 is now 2000 + 64 = 2064.