[TK-01257, TK-01258] 仕入価格の合計を出力する
Merge branch 'sprint10/feature/TK-01257' of https://github.com/yanoh/r2system into yanoh-sprint10/feature/TK-01257

Conflicts:
	app/views/repairs/index_purchase.html.erb
Merge branch 'yanoh-sprint10/feature/TK-01257' into sprint10