DF for .NET.\r1:4000 + 4000x3x2.75% = 43307t\r4330 <4350\r28-10 567\r6*6+4\r=36+4\r= 9 8\r29-10® : 9 ^ ^ ^ .\r1 9\r30-10 3 4 6\r1 B64 x 2=48\r30-20 4\r3.14X42+3.14X42X12\r=3.14x16+3.14x9.6\r=5024+30.144\r=80.384 :;\r31-10 <`5=>?@80.384:;.\r3.14%42 *0^\r= 3.14x16x0.8\r= 50.24x0.8\r=40.192 5 \r31-20 AB?CDEF40.192G;.\rH I J K L M N - O L\rPQRPS\rT I J K U V N - W X\rYZ:;S\r60004-12\rH 0T"I[LPN-O 60004-6000^-10\rL\@]^:_S -+-60004-12\r32-1,\r`0 abcdef& 8 Q & 3 gh& 8 Q\rPip?1 4\r4\r33-10 P`2p?T\r 1 5 1 6 .\rP`1p?50\rP`2p?15\r33-20 P` ? ?50\r33-30 P`1p?T\r34-10 A\rP`1p?20\rP`2p?40\rP?3p?7.5\r35-10 P` j 15\r 1 6 1 6