At the other extreme, if the proposal is to manufacture and market a new and untried product, then all figures relating to quantities, costs, and revenues are estimates which will vary in reliability, depending on such things as the skills of estimators, accuracy of market forecasts, and changes in the economic environment and consumer tastes.
Katika uliokithiri mengine, kama pendekezo ni utengenezaji na soko jipya na untried bidhaa, basi takwimu zote zinazohusiana na kiasi, gharama, na mapato ni makadirio ambayo inatofautiana katika kuegemea, kutegemea mambo kama vile ujuzi wa estimators, usahihi wa utabiri wa soko, na mabadiliko katika mazingira ya kiuchumi na matumizi ya ladha.