One-year treasury bills currently earn 2.55 percent. you expect that one year from now, one-year treasury bill rates will increase to 2.85 percent and that two years from now, one-year treasury bill rates will increase to 3.15 percent. if the unbiased expectations theory is correct, what should the current rate be on 3-year treasury securities?

(a)-3.15%
(b)-2.55%
(c)-2.85%
(d)-2.93%

The usa today reports that the average expenditure on valentine's day is $100.89. do male and female consumers differ in the amounts they spend? the average expenditure in a sample survey of 47 male consumers was $135.67, and the average expenditure in a sample survey of 38 female consumers was $68.64. based on past surveys, the standard deviation for male consumers is assumed to be $34, and the standard deviation for female consumers is assumed to be $17.