please prepare adjusting entries. thank you

Robinson Electric Company adjusts and closes its accounts at the end of each month. The trial balance at end of the March 2021, before adjustments, is as follows: I ne rouowing intormation relates to month-end adjustments: (a) Office supplies on hand amounted to $725. (b) The useful life of the equipment was estimated to be 7 years with $1,000 residual value using S/L method. (c) Many clients pay in advance. Fees of $5,500 were earned during the month by performing contracts for clients who had paid in advance. (d) Salaries earned by employees during the month but not yet recorded amounted to $2,300. (e) On the first of the month, Best Co. moved in and paid 8 months' rent in advance. (f) Contracts completed during the month but not yet billed or recorded amounted to $2,800. Prepare the adjusting entries required at the end of the month