Have you looked into a 12Fseries instead of using the 10F202?

Quite a bit of functionality added for just a few cents difference.
Something like the 12F1571?

12F1571-I/P (8pin Dip) .64 cents per unit Qty 1-25
1KWord Flash, 128Bytes RAM, (6) I/O Ports, (2/4) 8-Bit/16-Bit Timers, (1) Comparator, (3) 16-Bit PWM, (4) 10-Bit ADC ch

10F202-I/P (8pin Dip) .57 cents per unit Qty 1-25
512W Flash, 24Bytes Ram, (4) I/O Ports, (1) 8-Bit timer