The following formula is used to calculate the specific gravity of a material. Where SG = specific gravity, Ï = density of the material (kg/m3), ÏW = density of water ( kg/m3). The reference density of water at 4oC (39oF) is used as the reference as these are the conditions of maximum density.
Most business owners donât know how long they should hold on to old records. According to the IRS, hereâs how long you should keep those records: Permanently: 1  general ledgers and journals. 2  payroll records, including W-2s, 940s, 941s. 3  year-end financial statements.4  tax returns and supporting documents. 5  articles of incorporation, bylaws, meeting minutes, etc. 6  retirement plan records.ost business owners donât know how long they should hold on to old records. According to the IRS, hereâs how long you should keep those records: Permanently: 1  general ledgers and journals. 2  payroll records, including W-2s, 940s, 941s. 3  year-end financial statements. 4  tax returns and supporting documents.
A general ledger, which is simply a collection of your account charts, is a simple and effective way to view spending and to keep your business on track. The general ledger is used in conjunction with accounting journal entries.In most cases, the general ledger and the journal entries are done on a computer.There are many software programs available that will do most of the work for you, but it is important to know how to do this yourself in case the software crashes or there are power outages. general ledger, which is simply a collection of your account charts, is a simple and effective way to view spending and to keep your business on track. The general ledger is used in conjunction with accounting journal entries.