Page 173 - Plant design and economics for chemical engineers
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COST AND ASSET ACCOUNTING  1 4 7


                     MANUFACTURING COST WORKS INVENTORY

                         Refining of crude product D  For month  ol January.  19L

                                Unrrs  o n  hand

                               Slfm  of  End of
                               nonrh  month
        Crude product  D  GdlOllS  13,cQO  11.m  1.5cKhl  150.ooo  so 2187  P4l.Xoo  s0.41xo  .
        Operating  wages  H‘XXS            0.0150  1,500  1.2500  1.975  0.01913
        Operating supplies                                      WI   o.OOx9
         Maintenance  wages  Hours         0.0250  2.500  2.m  5.lml  0.0500
         Maintenance
          materials                                            IO.500  O.IO50
        Utilities                                              x.cNxl  0 . 0 8 0 0
        Depreciation  S investment         5.OcQo  5al.cm  0 . 0 1 0 0  J.003  0.0500
        Overhead                                               3.xoo  0.03xo
          Total cost  and       -       -        -       -       -      -
           production  Gallons  5.cm  4.ooo      lOO.CNXl  SCo.1691  116.965  SO 1691

      FIGURE  5-6
      Example of one type of inventory account.



                     COST-OF-SALES  ACCOUNT
        Product  E                     For month q/  Jww.   19-

                              This     Last       Year
               Item          month     month     to date

        Sales, lb            475,000  590,ooo   3.220,OCQ
                             $/unit    S/unit    $/unit
        Selling price        $0.200    $0.200    SO.200
        Cost of sales:
         Manufacturing  cost  0.120    0.100      0 . 1 0 5
         Freight and delivery  0.007   0.008      0.007
         Selling expense      0.018    0.020      0.016
         Administrative  expense  0.025  0.020    0.022
         Research  expense    0.010    0.008      0.008
           Total cost of sales  SO.180  $0.156   $0.158
           Profits before taxes  $0.020  SO.044  $0.042


      FIGURE 5-7
      Example of cost-of-sales account.
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