Gia company has the following information available: cash pledged as collateral $ 3 comma 500 comma 000 u. s. treasury bill due in one month (purchased six months ago) $ 3 comma 500 comma 000 u. s. treasury bill due in one year (purchased yesterday) $ 2 comma 500 comma 000 cash in checking account $ 600 comma 000 what is the amount of cash and cash equivalents to be reported on the balance sheet?