如图，用粗细均匀的绝缘导线做成一个闭合的正方形回路，正方形内有一个用相同材料做成的闭合内切圆．有一个均匀变化的匀强磁场垂直穿过回路平面，此时正方形回路中的感应电流强度I₁与内切圆中感应电流强度I₂之比为I₁：I₂=______．

An analyst does research about financing liabilities. A company with no prior debt outstanding has issued a fixed-coupon bond with a coupon rate more than the market rate at issuance. The coupon payment is:

A. less than the interest expense reported on the issuer's income statement.
B. equal to the interest expense reported on the issuer's income statement.
C. greater than the interest expense reported on the issuer's income statement.