$[13$ points$]$ For the leveling loop shown below, what is the adjusted elevation of OId Botany? Be sure to show all work and perform the appropriate mathematical check to verify you computed the closing elevation of Burrows correctly.

$\backslash$table$[[$Station$,$BS$,$HI$,$FS$,$Elevation,$\backslash$table$[[$Adjusted or$],[$Known$],[$Elevation$]]],[$Willard$,6\mathrm{.}94,,,66\mathrm{.}76,66\mathrm{.}76],[,,,,,],[$Schwab$,6\mathrm{.}46,,4\mathrm{.}73,,],[,,,,,],[$Old Botany,$6\mathrm{.}11,,2\mathrm{.}49,,],[,,,,,],[$Sparks$,4\mathrm{.}36,,3\mathrm{.}83,,],[,,,,,],[$Burrowes$,,,2\mathrm{.}55,,],[,,,,,],[,,,,,],[,,,,,],[,,,,,]]$