Assume that $3-$month Treasury bills totaling $$25$ billion were sold in $$10,000$ denominations at a discount rate of $5\mathrm{.}600\%.$ In addition, the Treasury Department sold $6-$month bills totaling $$23$ billion at a discount rate of $5\mathrm{.}545\%.$

Discount amount after $3$ months

discount after $6$ months

effective rate after $3$ months

effective rate after $6$ months