Answer:
Send an introductory letter, include a personal cover letter, send reminder postcard after 2 weeks
Step-by-step explanation:
For increasing her response rate she needs to send an introductory letter, personal cover letter, and the reminder postcard after two weeks that includes information related to her treatment agency, her personal information and a gentle reminder so that she gets to know how much people are satisfied with her service in the past year after completing their treatments
And based on this she ables to take the decision in near future that how to make more better services