Time-series data for the number of owner-managers of unincorporated businesses in Australia (’000s) are shown in the table. Fit an exponential trend model to the data and forecast the number of owner-managers for period 14.

Period .......................... Number of owner-managers (’000)
1 .......................................................... 335.7
2 .......................................................... 350.3
3 .......................................................... 399.3
4 .......................................................... 393.4
5 .......................................................... 468.3
6 .......................................................... 409.4
7 .......................................................... 464.6
8 .......................................................... 483.6
9 .......................................................... 475.1
10 ........................................................ 510.9
11 ........................................................ 501.3
12 ........................................................ 535.3
13 ........................................................ 544.3