Maturity Dates of Notes Receivable

Determine the maturity date and compute the interest for each of the following notes: $($Round to the nearest dollar.$)$

$\backslash$table$[[,\backslash$table$[[$Date of$],[$Note$]],$Interest,$],[$a$.,$August $5,$$$12,000,9\%,120$ days$],[$b$.,$May $10,33,600,7\%,90$ days$],[$c$.,$October $20,48,000,12\%,45$ days$],[$d$.,$July $16,9,000,10\%,60$ days$],[$e$.,$September $15,19,000,7\%,75$ days$]]$