The following is an example of notifying customers of a price change. Dear xxx,We enclose our new catalogue and price list. The revised prices will apply from 1 April 2019.You will see that there have been a number of changes in our product range. A number of improved models have been introduced. Our range of washing machines have been completely revamped. Many popular lines, however, have been retained unchanged. You will be aware that inflation is affecting industry as a whole .We have been affected like everyone else and some price increases have been unavoidable. We have not, however, increased our prices across the board, In many cases, there is a small price increase, but in others, none at all. We can assure you that the quality of our consumer durables have been maintained at a high standard and that our service will continue to be first class. We look forward to receiving your further orders. Yours truly, xxx