The 1982 Ethernet specification allowed between any two stations up to 2500 m of coaxial cable, 2000 m of other point-to-point link cable, and two repeaters. Each station or repeater connects to the coaxial cable via up to 50 m of drop cable. Typical delays associated with each device are given in Table 2.6 (where c = speed of light in a vacuum = 3108 m/s). What is the worst-case round-trip propagation delay, measured in us (bits?), due to the sources listed? This is similar to an existing question on CHEGG, but the numbers are different. The existing question on Chegg uses 1500 m of coaxial cable and 1000 m of other point-to-point link cable. The answer choices are: 25 us, 50 us, 100 us, 150 us, or 200 us. The textbook is Computer Networks A systems Approach by Larry Peterson, 5th edition.