discount rate is positive? $($No calculations needed.$)$ Multiple ChoiceThe cash flows for Project B are an annuity, but those of Project A are not. Both sets of cash flows have equal present values as of Time $0.$The present value at Time $0$ of the final cash flow for Project A will be discounted using an exponent of three.Both projects have equal values at any point in time since they both pay the same total amount.Project B is worth less today than Project A$.$