On January 1, 2018, T Limited signed contract to construct a bridge at a price of Tk. 25,00,000. At the end of the construction, because of a minor construction defect, the client has decided to deduct Tk. 25,000 according to a clause of the contract. The following information pertains to the construction period. 2018 2019 2020 Costs incurred during the year Estimated costs yet to be incurred Customer billings during the year Collection of billing during the year Tk. 6,00,000 14,00,000 5,00,000 4,00,000 Tk. 9,60,000 3,90,000 10,00,000 9,00,000 Tk. 11,40,000 0 9,75,000 11,50,000 Instructions: Prepare necessary journal entries for 2018 - 2020 and partial balance sheet (only for 2018).