$(10$ PT$)$ Refer to the level rod as seen through the level below.

i$.$ If the HI of the level you are looking through is $84\mathrm{.}61$ ft $,$ what is the elevation of the point

under the bottom of the rod?

j$.$ What is the horizontal distance between the level and the rod?

$(10$ PT$)$ Refer to the plan view of a level loop below.

a$.$ Create the table of field notes for the survey, including BS$,$ HI$,$ FS$,$ and Elevation.

b$.$ Calculate the error of closure.