Presented below are data on three promissory notes.

Determine the missing amounts. $($Use $360$ days for colculation. Do not round intemediate calculations$)$

$\backslash$table$[[,$Date of Note,Terms,$\backslash$table$[[$Maturity$],[$Date$]],$Principal,$\backslash$table$[[$Annual$],[$Interest Rate$]],,,,\backslash$table$[[$Total$],[$Interest$]]],[$a$.,$April $1,60$ days,,$$792,000,,5,\%,$$$,],[$b$.,$July $2,30$ days,,$100,000,,,\%,,],[$c$.,$March $7,6$ months,,$121,600,,9,\%,$$$,]]$