The Covid Economic Slump: Let's consider the economic impact of the pandemic on the economy. Assume that the pandemic evolves according to the basic SIR model: = -BS(t) I(t) (1) I = BS(t) I(t) - VI(t) (2) R = vI(t) (3) with initial conditions S(0), I(0), and R(0), satisfying S(0) + I(0) + R(0) = 1 and S+I+ R= 0= S(t) + I(t) + R(t) = 1 for all t 2 0. Assume that some fraction 0