//PACKET TCP/PACKET LEVEL TEST
	for (int i = 0; i < packetCount; i++) { //1 LOOP = 1 PACKET
		//packet transmitted cost = transmit cost and error check cost
		a2.pTotalCost += a2.pTransCost + a2.pCheckCost;
		float r;

		//using frame error probability and frame count to find errors
		for (int i = 0; i < a2.packetSize; i++) {
			//probability failure check
			r = static_cast <float> (rand()) / static_cast <float> (RAND_MAX);

			//if a single frame has an error, we need to re-transmit entire packet
			//so the loop going through all frames in a packet will end
			if (r <= a2.errRate) {
				a2.errorCount++;
				//ending loop through 1 packet if an error is found
				i = a2.packetSize;
			}

		}

		//if single packet had an error, while-loop activates and tries to re-transmit and error check
		while (r <= a2.errRate) {
			//transmit packet again if it fails, and error check again
			a2.pTotalCost += a2.pTransCost + a2.pCheckCost;

			//using probability for error in frames of failed packet
			for (int i = 0; i < a2.packetSize; i++) {
				r = static_cast <float> (rand()) / static_cast <float> (RAND_MAX);

				if (r <= a2.errRate) {
					a2.errorCount++;
					//ending loop through 1 packet if an error is found
					//while-loop will activate again and try to re-transmit and error check
					i = a2.packetSize;
				}

			}
		}

	}

	cout << "Number of Packets with Errors: " << a2.errorCount << endl;
	cout << "Total Cost of transmitting and error checking " << packetCount << " packets: " << a2.pTotalCost << endl;