Answer and Explanation:
The journal entries are shown below;
a. Investment Dr $37,282
To Cash $37,282
(being the investment in bonds is recorded)
b.
Cash (($1,000 × $40) × 0.07 × 6 ÷ 12) $1,400
Investment $91
To interest revenue ($37,282 ×8% × 6 ÷ 12) $1,491
(Being the first interest payment is recorded)