The books of the institution shall be so kept as to clearly exhibit the time, state and condition of the inmates, the number received and discharged, by what court and for what cause committed, the length of the time of commitment of each person, the number of days' labor performed by each convict, and the nature and value of such labor to such institution, and the relative costs and expenses incurred by the institution in managing and taking care of each convict, and the number employed in each branch of industry carried on, and the receipts from and expenditures for and on account of each department of business.