a-1. A consumer receives an endowment of $900.00this period and $600.00next period. Currently the interest rate is20.00%. The present value of the endowment is $. (Give your answer to two decimals.)

a-2. Suppose that instead, the endowment is $1080.00this period and $780.00next period. Suppose that the interest rate is still20.00%. Now the present value of the endowment is $________________

a-3. Now suppose that the endowment is $850.00in the first period and $575.00in the second period. The interest rate is still20.00%. Now the present value of the endowment is $ _________________