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#include <iostream>
#include "sales_item.hpp"
/*
*
* 2.3 and 2.4
*
*
*/
int main () {
unsigned u = 10, u2 = 42;
std::cout << u2 - u << std::endl; // 32
std::cout << u - u2 << std::endl; // big ass number
int i = 10, i2 = 42;
std::cout << i2 - i << std::endl; // 32
std::cout << i - i2 << std::endl; // -32
std::cout << i - u << std::endl; // 0
std::cout << u - i << std::endl; // 0
return 0;
}
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