What contains journal vouchers of past periods for audit trail?

Boteck is a full-service technology company. it provides equipment, installation services, and training services. customers can purchase any product or service separately or as a bundled package. on may 3, box-rite corporation purchased computer equipment, installation, and training for a total cost of $120,000. estimated stand-alone fair values of the equipment, installation, and training are $75,000, $50,000, and $25,000 respectively. the journal entry to record the sale and installation on may 3 will include select one:

Gdonald was unhappy that his company did not provide good transport facilities. he found it very strenuous to drive to work on his own, and this eventually led to job dissatisfaction. hence, he recommended ways to solve this problem. according to the evln model, this information suggests that donald's main reaction to job dissatisfaction was:

If you were running a company, what are at least two things you could do to improve its productivity.