Assume that $3-$month Treasury bills totaling $$33$ billion were sold in $$10,000$ denominations at a discount rate of $6\mathrm{.}750\%.$ In addition,

the Treasury Department sold $6-$month bills totaling $$31$ billion at a discount rate of $6\mathrm{.}695\%.$

a$.$ What is the discount amount for a $$10,0003-$month bill?

Note: Do not round intermediate calculations. Round your final answer to the nearest cent.

Discount amount for $3-$month bills

b$.$ What is the discount amount for a $$10,0006-$month bill?

Note: Do not round intermediate calculations. Round your final answer to the nearest cent.

Discount amount for $6-$month bills

c$.$ What is the effective rate for a $$10,0003-$month bill?

Note: Do not round intermediate calculations. Round your final answer to the nearest hundredth percent.

d$.$ what is the effective rate for a $$10,0006-$month bill