่ฟ้็ใ็ดๅฉ็ใซไธใใๅฝฑ้ฟ
่ฟ้็ใไฝใ่ฆใใฆใใ็ดๅฉ็ใธใฎๆๆใฏๆใฃใไปฅไธใซๅคงใใๅ ดๅใใใใพใใ่ฟ้ใใใๅฃฒไธใฎใใผใธใณใๅคฑใใ ใใงใชใใ่ฟ้ๅฆ็ใๅๆคๅใชใฉใฎ่ฟฝๅ ใณในใใ็บ็ใใใใใงใใใใฎ่จ็ฎๆฉใฏไธกๆนใฎๆๅคฑใๅๆ ใใๅฎ่ณช็ใช็ดๅฉ็ใฎๆธๅฐใ็คบใใพใใ
่จ็ฎๅผ
- ่ฟ้ๅฃฒไธ = ๆ้ๅฃฒไธ ร ่ฟ้็
- ใใผใธใณๆๅคฑ = ่ฟ้ๅฃฒไธ ร ใใผใธใณ็
- ๅฆ็ใณในใๆๅคฑ = ่ฟ้ไปถๆฐ ร 1ไปถๅฝใใๅฆ็ใณในใ
- ็ทๆๅคฑ = ใใผใธใณๆๅคฑ + ๅฆ็ใณในใๆๅคฑ
ไพใใฐๆ้ๅฃฒไธ300ไธๅใใใผใธใณ็30%ใ่ฟ้็5%ใๅนณๅๆณจๆ0.5ไธๅใ1ไปถๅฝใใๅฆ็ใณในใ0.05ไธๅใชใ่ฟ้ไปถๆฐใฏ30ไปถใใใผใธใณๆๅคฑ4.5ไธๅใซๅฆ็ใณในใ1.5ไธๅใๅ ใใใๅ่จ6ไธๅใฎ็ดๅฉ็ใๅคฑใใใพใใ
ใใใใ่ณชๅ
่ฟ้ใใใๅฃฒไธใฏๅฃฒไธ่ชไฝใๅใๆถใใใใใใใใใใๆๅพ ใใฆใใใใผใธใณใๆถใใพใใใใใซ่ฟ้่ฒปใๅๆคๅ่ฒปใชใฉใๅ ใใใๅฎ่ณชๆๅคฑใฏใใๅคงใใใชใใพใใ
่ฟ้้ ้่ฒปใๅๆคๅใปๅๅ ่ฃ ใฎไบบไปถ่ฒปใๆฑบๆธๅๆถๆๆฐๆใชใฉใ่ฟ้1ไปถใๅฆ็ใใใฎใซๅฟ ่ฆใชๅนณๅใณในใใๆใใพใใ
ๅๅ่ฉณ็ดฐๆ ๅ ฑใๆญฃ็ขบใซ่จ่ผใใใตใคใบใ่ฒใฎ่ชค้ ้ใๆธใใใๅบ่ทๅใฎๅ่ณชๆคๆปใๅผทๅใใใใจใง่ฟ้็ใไธใใใใพใใ