1. four basic types of financial instruments 单一贷款 simple loan) 定期定额贷款(ixed- payment loan) 息票债券( coupon bond) 贴现债券( discount bond)1.four basic types of financial instruments • 单一贷款(simple loan) • 定期定额贷款(fixed-payment loan) • 息票债券(coupon bond) • 贴现债券（ discount bond ）