Advice Needed i am LOST

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I've been in this intro to comp sci class, and I've been trying to learn to code on Visual Studio. However, I've been getting plenty of error messages while working on this string of code with my fellow peers. Could anyone help me solve the issues with it? Below is the code, and it just won't run on visual studio. I've used Chegg to try and figure out what I'm doing wrong, even emailed the professor, but I cannot figure it out. Thank you, it is in C++.

#include<stdio.h>
#include <stdlib.h>
//C Code to find appreciated values of cars in 2008. 

//Function to find appreciated value in 2008.

float calculate2008Cost(float initialCost,float appreciationValue){
return initialCost + (initialCost*appreciationValue)/100; }

int main(){         
//File pointer to write to file.    
FILE* What_its_worth1;
What_its_worth1 = fopen("output.txt", "w");


//Declaring appropriate variables for all Cars.    
char* car1; = "Nova";
float initialCost1 = 2500;    
float appreciationRate1 = 335;    
float finalCost1 = calculate2008Cost(initialCost1,appreciationRate1);         

char* car2 = "Challenger";    
float initialCost2 = 44200;    
float appreciationRate2 = 302;    
float finalCost2 = calculate2008Cost(initialCost2,appreciationRate2);         

char* car3 = "Cuda";    
float initialCost3 = 7400;    
float appreciationRate3 = 291;    
float finalCost3 = calculate2008Cost(initialCost3,appreciationRate3); 

char* car4 = "Mustang";     
float initialCost4 = 55000;    
float appreciationRate4 = 201;    
float finalCost4 = calculate2008Cost(initialCost4,appreciationRate4);         

char* car5 = "GTO";    
float initialCost5 = 29000;    
float appreciationRate5 = 251;   
float finalCost5 = calculate2008Cost(initialCost5,appreciationRate5);     
   
printf("Car         2004 Value       2008 Value\n");    
printf("  =====================================\n");    
printf("%s       :     %.2f    :    %.2f\n",car1,initialCost1,finalCost1);   
printf("%s :    %.2f    :    %.2f\n",car2,initialCost2,finalCost2);    
printf("%s       :     %.2f    :    %.2f\n",car3,initialCost3,finalCost3);    
printf("%s    :    %.2f    :    %.2f\n",car4,initialCost4,finalCost4);    
printf("%s        :    %.2f    :    %.2f\n",car5,initialCost5,finalCost5);  

fprintf(fp,"Car         2004 Value       2008 Value\n");    
fprintf(fp,"  =====================================\n");    
fprintf(fp,"%s       :     %.2f    :    %.2f\n",car1,initialCost1,finalCost1);  
fprintf(fp,"%s :    %.2f    :    %.2f\n",car2,initialCost2,finalCost2);    
fprintf(fp,"%s       :     %.2f    :    %.2f\n",car3,initialCost3,finalCost3); 
fprintf(fp,"%s    :    %.2f    :    %.2f\n",car4,initialCost4,finalCost4);    
fprintf(fp,"%s        :    %.2f    :    %.2f\n",car5,initialCost5,finalCost5);      
fclose(fp);            
return 0;
}'
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