Consider a fixed rate semi$-$annual coupon bond with redemption value $$1,000,$ whose most recent coupon date was $8/15/2022,$ clean price on $9/15/2022$ was $$990,$ yield was $6\%$ on $9/15/2022,$ and maturity is $8/15/2025.$ Interest accrues according to $30/360$ US$.$

$1.$ What is the bond$$s coupon rate?

$2.$ What was the bond$$s dirty price on on $9/15/2022?$