public List<String> getValidationErrors() {
		List<String> errors = new ArrayList<String>();

		if (amount == null || amount.length() == 0) {
			errors.add("Account is required");
		}
		if(!amount.matches("-?\\d+(\\.\\d+)?")){
			errors.add("amount is not a number");
		}else if(!dataConversion.validDoubleMoreThanZero(amount)){
			errors.add("amount is not a valid number");
		}
		if (customer == null || customer.length() == 0) {
			errors.add("customer is required");
		}
		
		return errors;
	}