6. It is known that the accumulation function is a quadratic function, i.e. a(t) = Ut +Vt+W, t> 0, where U, W, W are three constants. Given that = a(1) = 1.021 and a(2) = 1.044, a2 determine the force of interest at time t = 1: 6. It is known that the accumulation function is a quadratic function, i.e. a(t) = Ut +Vt+W, t> 0, where U, W, W are three constants. Given that = a(1) = 1.021 and a(2) = 1.044, a2 determine the force of interest at time t = 1