c++prob

#include<iostream>
#include<iomanip>
using namespace std;

int main()
{

	int resLength; //Reservation length declared
	char carType; //cartype (e or l)
	int age; // self explanatory
	double cost; //the final cost - age * car type, later will put if statement for if (resLength > 7)


	cout << "Please enter length of reservation: ";
	cin >> resLength;
	cout << "Please enter car type: ";
	cin >> carType;
	cout << "How old is the driver? ";
	cin >> age;

	//made four if statements under to calculate cost based on all possible situations
	if (carType == 'e' || 'E'  && age <= 25)
		cost = resLength * 29.95;
	else if (carType == 'e' || 'E' && age > 25)
		cost = resLength * 25.95;
	else if (carType == 'l' || 'L' && age <= 25)
		cost = resLength * 49.95;
	else if (carType == 'l' || 'L' && age > 25)
		cost = resLength * 42.95;

	 if (resLength > 7)
		cost = cost - (.1 * cost);


	if (carType == 'e' || carType == 'E')
		cout << "The cost for an economy car for " << resLength << " days is $" << fixed << setprecision(2) << cost << endl;
	else if (carType == 'l' || carType ==  'L')
		cout << "The cost for a Luxury car for " << resLength << " days is $" << fixed << setprecision(2) << cost << endl;


	return 0;
}

// problem with logic error - needed to fix if statements so that other outputs could work properly