98- 175 is divided into three parts, the first part is 98, and the second part is 17. This is a 32-bit system, so it means 17/32. In the third part, there are only four numbers, namely 0, 2, 5 and 7, which respectively represent 0 of 1/32.
97-020 means 97.06.
Loss 1.49 points, each point represents 1000 USD. So choose D.