Question 3 1 pts With the future value equation, f (P, n, r, t) = P(1+5) " thousand dollars, and P =70, n =2, r=0.07, t =16 estimate f (P,n,r, t) when r increases by 0.14. (Hint: Find the partial derivative of the variable of interest, the change in the variable and use example 4 from this section.) Only round your final answer to 3 decimal places