New machinery was purchased by HydroTech at a list price of $40,000; the credit terms were 2/10, n/30. Payment of the invoice was made during the discount period. The payment includes 6% sales tax on net price. hydroTech also paid transportation charges of $610 on the new machinery as well as $838for installing the machinery in the appropriate locations. During the unloading and installation work, a machine was damaged. Repair of the damaged parts cost $2,170. After the machinery have been use for three months, it was thoroughly cleaned and lubricated at a cost of $260.

a.Calculate the total cost should be debited in the machinery account.

b.Assume that machine has salvage value of $3,000 and will last for 5 year. Calculate depreciation for first three year using double-declining method