The following information has been taken from the Ledger of Irfan Brothers Sadar Bazar, Karachi for the year ended on June 30, 2015.

Stock of material, June 30 2015 Rs. 15,700

Stock of materials, July 1, 2014 12,000

Material purchased during the year 46,250

Carriage outward 1,075

Carriage inward 1,786

Salaries - Factory 1,625

Salaries - Office 3,150

Discount Expenses 725

Bad debts written off 1,628

Repairs of plant, machineries and tools 1,113

Rent and insurance - Factory 2,125

Rent and insurance - Office 500

Sales 115,275

Travelling Expenses 525

Traveler's salaries and commission 1,925

Productive wages 31,500

Depreciation of machinery and tools 1,625

Depreciation of office furniture 75

Director's fees 1,500

Gas, and water - Factory 300

Gas and water - Office 100

Manager's salary (3/4^thfactory, 1/4^thoffice) 2,500

General Expenses 850

Calculate Prime Cost.

(NEED ANSWER ASAP)