The members of a population have been numbered 1-1000. Asample of size 50 is to be taken from the population, using stratied random sampling with the proportional allocation. The strata are of sizes 400. 300, 100. and 200. where stratum #1 consists of the members of the population numbered 1400, stratum #2 consists of the members of the population numbered 401700. and so forth. Determine the sample sizes that will be taken from the strata. (Simplify your answers.)