C++ please help me

Follow the instructions on the previous and next page to complete this exercise using functional decomposition. decomposition.cpp 12345678910111213141516171819#include#include#includeusingnamespacestd;//Prototypesintmain(){printTitle();doubleouncesPerBox=getInput();doubletons=ouncesToTons(ouncesPerBox);doubleboxes=boxesPerTon(tons);printResults(tons,boxes);return0;;/Functiondefinitions/ Running decomposition.cpp Error: decomposition.cpp: In function 'int main()': decomposition.cpp:10:2: error: 'printTitle' was not declared in this scope 10) printTitle(); decomposition.cpp:11:24: error: 'getInput' was not declared in this scope; did you mean 'getpt'? 11 double ouncesPerBox =getinputgetptget