Please answer using Excel! Thank you in advanced!!

4. A candidate wishes to use a combination of radio and television advertisements in his campaign. Research has shown that each 1-minute spot on television reaches 0.09 million people, and each 1- minute spot on radio reaches 0.006 million. The candidate feels he must reach at least 2.16 million people, and he must buy a total of at least 80 minutes of advertisements. How many minutes of each medium should be used to minimize costs if television costs $50,000 per minute and radio costs $10,000 per minute? What is the minimum cost