Zippy Inc. sold $25$ year bonds with a face value of $$1,000,000$ and a coupon rate of $3$ percent.They received $ $1,075,000$ for the bonds. The market interest rate for $25$ year bonds was $?($a$)3\mathrm{.}5\%($b$)7\mathrm{.}5\%($c$)2\mathrm{.}8\%($d$)3\mathrm{.}0\%$