01/06/2014

//      Repository Creation.
//      salePriceTB == Sale Price Text box created.
//      amountOfPurchase label created.
//      stateSalesTaxLabel and stateSalesTaxOutput created.
//      countySalesTaxLabel and countySalesTaxOutput created.
//      totalOfPurchaseLabel and totalOfPurchaseOutput created.
//      calculateButton created.
//      clearButton created.
//      exitButton created.
//      strings STATE_SALES_TAX_PERCENT and COUNTY_SALES_TAX_PERCENT
created.