A manufacturing plant earned \$80$80dollar sign, 80 per man-hour of labor when it opened. Each year, the plant earns an additional 5\%5%5, percent per man-hour. Write a function that gives the amount A(t)A(t)A, left parenthesis, t, right parenthesis that the plant earns per man-hour ttt years after it opens. A(t)=A(t)=A, left parenthesis, t, right parenthesis, equals