Please help me i will give good rating

a)

MH Frozen Food purchased a deep freezer from Indonesia, TX-200 on 2019. The cost of the freezer is RM 310,000. The price of the freezer excluded insurance fees, RM 1 ,500, duty tax, RM 1 ,300 and transportation costs RM 3,200. MH Frozen Food estimate the useful life of the freezer is 12 year, salvage value is RM 10,000 and depreciation rate is 10% on book value. Find the book value of the deep freezer at the end of year 4.

b)

Malik's MasterCard account had an unpaid balance of RM 1,817.73 on June 1.0n 3 ^rd June, he made a payment of RM 2,013. On 10^th June he used the card to purchase Ziaomi Ultra costing RM 1,150. And on 25^th June, Malik made a payment RM 4,210 to the bank. Find the finance charge and the unpaid balance on July 1 if the bank charges 1.5% per month on the unpaid balance.