Question: A Bloggs, a building contractor, had a wooden store shed and a brick-built office which have balances b/d in the books of £850 and £179,500 respectively. During the year, the wooden shed was pulled down at a cost of £265, and replaced by a brick building. Some of the timber from the old store shed was sold for £180 and the remainder, valued at £100, was used in making door frames, etc., for the new store. The new brick-built store was constructed by the builder's own employees, the expenditure thereon being materials (excluding timber from the old store shed) £4,750; wages £3,510; and direct expenses of £85. At aboutthe same time, certain repairs and alterations were carried outto the office, again using the builder's own materials, the cost of which was: wages £290 and materials £460. It was estimated that £218 of this expenditure, being mainly that incurred on providing additional windows, represented improvements, 50% of this being wages, 50% materials.