For the year ending february 28 2009 samaritan medical co

Question

For the year ending February 28, 2009, Samaritan Medical Co. mistakenly omitted adjusting entries for 

(1) Depreciation of $4,100, 

(2) Fees earned that were not billed of $15,300, and 

(3) Accrued wages of $3,750. Indicate the combined effect of the errors on

(a) Revenues, 

(b) Expenses, and 

(c) Net income for the year ended February 28, 2009.