$2.$ Ngata Corp. issued $15-$year bonds $3$ years ago at a coupon rate of $7\mathrm{.}4\%.$ The bonds make semiannual payments, and the par value is $$1,000.$ If these bonds currently sell for $102\%$ of the par value, what is the YTM$?$ The effective annual yield? The current yield?

Please give full answer for ytm$,$ The effective annual yield and The current yield using formula.

feedback will be provided